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Delaware Today
By the People, for the People
Report Finds Best and Worst Days to Buy Gas
GasBuddy analysis reveals Sunday as the cheapest day to fill up, while Wednesdays through Fridays tend to be more expensive.
Published on Feb. 23, 2026
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A new report from GasBuddy, a gas price tracking app, has found that there are consistent patterns in gas prices throughout the week. The analysis shows that Sunday is consistently the cheapest day to fill up, while Wednesdays through Fridays are typically the most expensive days. The report also identified certain states, including Michigan, Indiana, Ohio, Florida, Texas, and parts of the West Coast, that experience more pronounced 'price cycling' where prices spike sharply on a specific day and then slowly decline over the next several days.
Why it matters
Understanding the weekly patterns in gas prices can help consumers time their fuel purchases to save money. In states with more pronounced price cycling, drivers may be able to save 15 to 45 cents per gallon by waiting 5 to 7 days after a price increase before filling up.
The details
The GasBuddy report analyzed a year's worth of daily fuel price data across the United States. It found that Sunday is consistently the cheapest day to fill up, while Wednesdays through Fridays tend to be the most expensive. The report also identified certain states, including Michigan, Indiana, Ohio, Florida, Texas, and parts of the West Coast, that experience more pronounced 'price cycling' where prices spike sharply on a specific day and then slowly decline over the next several days.
- The GasBuddy report was released on Wednesday, February 19, 2026.
The players
GasBuddy
A mobile app that tracks gas prices across the United States.
Patrick De Haan
The head of petroleum analysis at GasBuddy.
What they’re saying
“Gas prices don't just move based on global oil markets — they also follow a weekly rhythm.”
— Patrick De Haan, Head of Petroleum Analysis, GasBuddy (GasBuddy)
“For most drivers, Sunday is the safest bet for finding lower prices, while filling up mid-week can mean paying more.”
— Patrick De Haan, Head of Petroleum Analysis, GasBuddy (GasBuddy)
What’s next
Consumers can use apps like GasBuddy to check gas prices in their area before visiting gas stations, and may be able to save money by waiting to fill up until after a price spike in states with more pronounced 'price cycling'.
The takeaway
Understanding the weekly patterns in gas prices can help consumers time their fuel purchases to save money. By filling up on Sundays and avoiding mid-week fill-ups, drivers may be able to shave 15-45 cents per gallon off their fuel costs, especially in regions with more pronounced price cycling.
