---
title: "Time is money: fuel inefficiency costs US airlines daily| OpenAirlines"
description: Learn how fuel efficiency can save airlines millions with actionable strategies and tailored savings estimates to boost profitability and reduce costs.
image: https://blog.openairlines.com/hubfs/Time%20is%20money@2x.png
---
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# Time is money: fuel inefficiency costs US airlines daily
Published by [Olivier](https://blog.openairlines.com/author/olivier) on Jul 4, 2025, 4:49:27 PM
Did you know [you could save up to $75 million annually](https://blog.openairlines.com/time-is-money-fuel-inefficiency-costs-us-airlines-daily#savings-airline-size) through fuel efficiency? Despite this potential, many airlines continue to delay taking action. Reasons often include competing priorities, resource constraints, and uncertainty about where to start. But waiting isn’t just postponing costs, it’s actively costing your airline, both in missed savings and reduced profitability.
This article tackles the financial consequences of delaying a fuel efficiency strategy. It quantifies daily missed savings using a typical narrow-body fleet example and shows how operational improvements unlock significant and fast-returning value, without aircraft modification. For executives seeking to improve margins and build resilience, fuel efficiency is an opportunity with immediate payoff.
| 📊Summary [The cost of waiting: why delaying fuel efficiency action costs airlines](https://blog.openairlines.com/time-is-money-fuel-inefficiency-costs-us-airlines-daily#cost-of-waiting) - **Fuel is a major expense** Jet fuel accounts for 20–30% of airline operating expenses, with global airlines spending **$291 billion** on jet fuel in 2024. Price volatility (30-60% swings year-over-year) adds significant financial risk. - **Delaying action is expensive** Even small operational inefficiencies lead to millions in lost savings each year. Inaction directly impacts the bottom line. **[Fuel efficiency opportunity: where the savings are](https://blog.openairlines.com/time-is-money-fuel-inefficiency-costs-us-airlines-daily#The_fuel_efficiency_opportunity)** - **Operations optimization without fleet changes** Significant savings can be unlocked using existing aircraft by optimizing flight operations (e.g., taxiing, climb, cruise). A 3% fuel saving on a fleet of 50 Boeing 737-800s equals $9.6M annually. - **Scalable savings across fleet sizes** \* Small carriers (40 aircraft): $5M/year \* Large carriers (500 aircraft): $80M/year [Fast return on investment](https://blog.openairlines.com/time-is-money-fuel-inefficiency-costs-us-airlines-daily#cost-of-waiting) - **Fast, measurable ROI** Fuel programs typically deliver ROI within 4 months. Cebu Pacific, for example, saved $35M in 3 years, achieving nearly half of their identified potential. JetBlue reached a positive ROI in 3 months. [Bottom line](https://blog.openairlines.com/time-is-money-fuel-inefficiency-costs-us-airlines-daily#to-wrap-up) Fuel efficiency is a low-risk, high-return lever for margin improvement and profitability. Even small improvements lead to millions in savings, and acting now helps airlines build resilience against future fuel cost volatility, including the rise of SAF costs. |
| --- |
## The cost of waiting: why delaying action on fuel efficiency costs airlines big
### Fuel costs: the largest expense for North American airlines
Fuel is the single largest variable operating cost for airlines. It accounts for 25.5% **of total operational expenses** in North America**1**. This varies depending on route network, fleet composition, and global oil prices. The scale of spending on fuel is enormous, with global airlines spending $291 billion on jet fuel in 2024**2**, a significant increase compared to previous years.
In 2024, U.S. airlines alone paid around $48.2 billion for fuel, that's more than $132 million daily! Fuel prices can swing 30% to 60% year-over-year**3**, influenced by factors like geopolitical events, refinery disruptions, and market speculation.
[Related content \>\>\> The rising of jet fuel prices: airline survival or strategy?](https://blog.openairlines.com/rising-jet-prices-airlines-strategy)
Fuel efficiency is a critical lever for improving airline margins. However, without proper tools and strategies to optimize fuel consumption, airlines continue to waste fuel unnecessarily. Small inefficiencies add up quickly across thousands of daily flights, and these unnoticed losses quietly erode profitability over time.
1 Source: [IATA](https://www.iata.org/en/publications/newsletters/iata-knowledge-hub/unveiling-the-biggest-airline-costs/)[, 'Unveiling the biggest airline costs', 2024.](https://www.iata.org/en/publications/newsletters/iata-knowledge-hub/unveiling-the-biggest-airline-costs/) - 2 Source: [IATA](https://www.iata.org/en/publications/economics/chart-week/8-november-2024/)[. Chart of the week 'Policy support is vital to make net zero transition a success', 2024](https://www.iata.org/en/publications/economics/chart-week/8-november-2024/). - 3Source: [U.S. Energy Information Administration, U.S. Gulf Coast Kerosene- Type Jet Fuel Spot Price FOB graph, 2025](https://www.eia.gov/dnav/pet/hist/LeafHandler.ashx?n=PET&s=EER_EPJK_PF4_RGC_DPG&f=A)
### SAF won't lower your bill today. Fuel efficiency will.
> **"*SAF is currently 3.5 times more expensive than jet fuel*",** says John Pepper, Allegiant Travel.
Sustainable aviation fuel (SAF) is a key player in decarbonizing aviation in the long term. Yet, it isn’t the solution to controlling fuel costs today.
SAF is still significantly more expensive than traditional jet fuel. During [CAPA Conference Americas](https://amas25.capaevents.com/), John Pepper, Vice President of Corporate Development & Government Affairs at Allegiant Travel Company pointed out SAF is currently **3.5 times more expensive** than jet fuel. This cost gap isn’t expected to close anytime soon.
This creates significant financial implications for airlines. **Fuel efficiency is the only way to reduce your fuel bill right now.** It’s also a way to limit your future SAF-related expenses. Every kilogram of fuel saved today helps you avoid paying that premium in the future.
By investing in fuel efficiency today, you’re improving margins now and preparing your system to reduce fuel /SAF usage and purchases when they become a larger part of your operations.
### Cost in action: a realistic example
Even a small percentage of excess jet fuel consumption can quickly lead to significant financial losses (*yes, we are talking about millions of dollars*).
| 📊Let's use a conservative example to explain this statement: - A North American airline operating 50 Boeing 737-800s. - Each aircraft flies 5 times per day. - The average fuel burn per flight is around 5,000 kg. Let's assume there is 1% avoidable overconsumption (50 kg wasted per flight). That means, total wasted fuel per day is 15,265 liters or 4,127 US gallons (using 0.8 kg/l density). Knowing the cost per gallon is $2.14 (based on IATA’s average jet fuel price of $90/barrel), it represents : 🚨Daily missed savings: $8,837 🚨Annual missed savings: over $3.2 million *Note: 1% of avoidable overconsumption is a validated, conservative figure. SkyBreathe® users typically reduce between 3% and 5%.* |
| --- |
These numbers clearly show that even small inefficiencies add up quickly. Now, imagine if you could address just a fraction of that waste. Fuel efficiency strategies don’t just minimize waste; they **unlock** substantial and recurring savings that grow over time, without needing new aircraft or schedule changes.
In the next section, we’ll explore how fuel efficiency can deliver significant, **real savings** and drive measurable improvements in operational performance. It’s an opportunity to **turn data into value** right now.
## The fuel efficiency opportunity: where the savings are.
### How fuel efficiency saves airlines time and money
Fuel efficiency in today’s airline environment doesn’t mean retrofitting aircraft or investing in new hardware.
Instead, it’s about making better use of what you already have: your **data**, **processes**, and **people**.
Modern fuel efficiency programs focus on **operational optimization**, rather than aircraft modification. They work entirely with your existing fleet, using real flight data to identify where and how to reduce unnecessary fuel burn across all phases of flight:
- Taxi-out
- Climb
- Cruise
- Descent
- Taxi-in
[Leading solutions](https://info.openairlines.com/en/skybreathe-vs-other-providers) rely on **automated data collection** from flight data recorders (FDR/QAR) and AI-powered analysis to detect fuel-saving opportunities. It also relies on other external data such as weather, ATC inputs, procedural data (SID, STAR..), to enrich the data and give more context. Examples include:
- Overuse of Aircraft Power Unit (APU)
- Non-optimal speeds
- Inefficient descent profiles
- Missed opportunities for single-engine taxi
This approach is **non-intrusive** and quick to implement. It empowers pilots, dispatchers, and operations teams with clear, actionable recommendations based on actual flight performance.
| 💡Airline insight -\> Fuel savings require a team effort. From pilots optimizing flight profiles to finance teams tracking ROI, aligning key stakeholders ensures that fuel-saving initiatives become part of your company's daily operations. The collaboration between departments drives greater impact and ensures lasting savings over time. |
| --- |
Fuel efficiency is more than just cost-cutting; it enables smarter decision-making throughout your operation.
But the real question is: how much can fuel efficiency save for you? Let’s break it down into tangible, financial results. Here’s what our data shows can be achieved:
### How much savings can you expect from your fuel program?
| | Small airlines | Medium airline | Major airline |
| --- | --- | --- | --- |
| Fleet type | 40 Medium Haul AC \+ 10 Long Haul AC | 150 Medium Haul AC \+ 100 Long Haul AC | 600 Medium Haul AC \+ 400 Long Haul AC |
| Annual savings | ~ $5 M / year | ~ $20 M / year | ~ $80 M / year |
| Annual CO2 savings | - 20 Ktons / year | - 75 Ktons / year | - 300 Ktons / year |
Fuel efficiency helps you achieve big and real savings
Let’s revisit the previous example, now applying a conservative **3% fuel savings** scenario, a result achieved by most SkyBreathe® users:
- 50 Boeing 737-800s flying 250 flights per day.
- Saving **150 kg of fuel per flight.**
- Total daily fuel saved: 37,500 kg.
- That’s **46,875 liters** or **12,389 gallons** saved daily.
✅ At **$2.14 per gallon\***, daily savings equal **$26,524**
✅ Annual savings: **over $9.6 million**
\*average 2025 fuel price based on $90/barrel from IATA Fuel Monitor
At **5% savings**, these numbers climb to more than **$16 million per year**, with no aircraft modifications or schedule changes.
| 💡**Curious about how these savings scale with your airline’s size?** Below is a rough estimate of what you could expect based on your fleet size. To understand exactly what that looks like for your airline, try our [fuel savings simulator.](https://www.openairlines.com/) |
| --- |
## Fast return on investment
### Fuel efficiency as a paid-back investment
Fuel efficiency programs typically deliver ROI within **months**. Indeed, most airlines start seeing measurable fuel savings **within four months.**
Why? Because rolling out fuel efficiency programs is straightforward.
Once flight data is analyzed, airlines can easily identify fuel-saving opportunities and turn data into real actions. As departments adopt these practices, benefits multiply. When pilots, fuel managers, and operations teams align, fuel savings become part of daily operations, delivering ongoing financial performance.
Cebu Pacific’s case shows this well:
> ###### *"We have now achieved savings that reach 48% of the potential savings. It represents more than $35 million in savings in 3 years",* says **Francesc Torres**, Director of Flight Operations Technical Support.
After [reading Cebu Pacific’s success story](https://info.openairlines.com/dl-case-study-cebu-pacific), you can easily see the potential for savings in your own airline. You could also read the [experience of Christopher Lum, system Chief Pilot at jetBlue](https://info.openairlines.com/how-jetblue-achieved-roi-in-3-months-with-skybreathe). The project reached ROI in 3 months only.
****
### A real-life case: Philippine Airlines
Philippine Airlines provides a strong example of how fuel-saving initiatives can succeed across complex, long-haul operations.
After implementing a fuel efficiency program with **SkyBreathe®** and**MyFuelCoach™**, the airline achieved the following in just 9 months:
- **3.7 million kg** of fuel saved
- **$4.1 million** in cost savings
- **11,629 tons** of CO₂ emissions avoided
These outcomes were powered by data-driven insights and active pilot engagement. Fuel-saving initiatives spanned all flight phases and included targeted pilot awareness programs.
Notably, the average pilot's extra fuel on their Airbus A350 fleet dropped from **143 kg to 61 kg in 7 months**, showing rapid behavioral change with the right support.
As noted in their 2022 financial statement:
Philippine Airlines provides a strong example of how fuel-saving initiatives can succeed across complex, long-haul operations.
## Take action today and see your savings
Ready to unlock fuel efficiency's full potential?
Fuel efficiency is a journey, and the sooner you begin, the faster you’ll see results.
The first step is easy: assess your current practices and identify quick wins.
**🔎 Want to know exactly how much you could save?**
**[](https://cta-redirect.hubspot.com/cta/redirect/4233951/9e511046-5532-4b64-b204-e9578f687684)**Try our free **ROI calculator** now and get a tailored savings estimate
for your airline based on your fleet, routes, and operations. Get a comprehensive savings report and see how fuel efficiency can boost your bottom line today.
## To wrap up
Fuel efficiency is a unique opportunity to boost your airline’s profitability. It starts with small improvements and generates significant savings, up to millions of dollars. This is done without disrupting operations or requiring aircraft changes.
You can capture value quickly by acting today. With the right tools, fuel efficiency also helps you strengthen your competitive position.
Whether you lead a major carrier or a regional airline, achieving meaningful fuel reductions is both practical and realistic.
Interview conducted by Elyssa Gabteni.
| About the author .png?width=117&height=117&name=Sans%20titre%20(4).png)**Meet Olivier Paillot**, General Manager of the Americas region at OpenAirlines. With a Master's in Mathematics and an Engineering degree from ENAC in Aeronautics and Computer Science, Olivier brings over 20 years of experience in aviation and technology. He has held various leadership roles at OpenAirlines, including Head of Customer Service, Regional Account Director, and Sales Director for the Americas. Currently focused on business development, Olivier works to drive growth and build strong partnerships with airlines, having collaborated with notable clients like AtlasAir, JetBlue, and Air Transat. |
| --- |
---
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