How reliable is Fresno Yosemite International Airport?
Flights from FAT departed within 15 minutes of schedule in 84% of 71,535 flights in official BTS history — and weather is calmest in Jun. Here’s the full picture before you book.
Reliability score
on-time, cancellations & delays
Weather favorability
year-round climate
Origin-airport operations
What the departure punctuality at FAT looks like
On-time departures
across 71,535 flights
Source: BTS Airport Operations · data through 2026-06-25. Role-specific BTS departure history; advisory context, not a guarantee for any flight.
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Weather by month
When the weather works for you at Fresno
A calm-weather score (0–100) for each month from decades of airport observations — how often conditions disrupt flying, not temperature. Higher is calmer.
Calmest month
Calmest flying weather of the year · 100/100 favorability
Roughest month
Most disruptive — low visibility & fog, thunderstorms · 69/100 favorability
The read on FAT
What the numbers say about flying through Fresno Yosemite International Airport
Across official performance history, flights from Fresno left within 15 minutes of schedule about 84% of the time over 71,535 flights. That's a solid, better-than-average operational record. Pair it with a low cancellation rate of 0.9%, so flights here rarely vanish outright. When a departure does run late, the typical delay is around 10 minutes.
On weather, Fresno is an unusually calm-weather airport year-round. June is the calmest stretch for flying, scoring 100 out of 100 for favorable conditions, while December is the most disruptive at 69, driven mainly by low visibility & fog and thunderstorms. The seasonal swing is real but manageable; favor the calmer months when your dates are flexible.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Fresno, read how we weigh it all in how the PlaneSane Score works, and brush up with how to pick a reliable flight and avoiding weather delays.
Common questions about FAT
- How reliable is Fresno Yosemite International Airport (FAT)?
- Flights from Fresno left within 15 minutes of schedule roughly 84% of the time across 71,535 flights of official history — a solid, better-than-average operational record. The cancellation rate runs about 0.9%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from FAT for good weather?
- June has the calmest flying weather at Fresno Yosemite International Airport. December is the most disruptive, mainly from low visibility & fog and thunderstorms.
Planning a trip through Fresno?
Score real flights to and from FAT on reliability, weather, and connection safety — not just price.