Fresno (FAT) to Seattle (SEA): On-Time Performance
Data through July 2026
Fresno (FAT) to Seattle (SEA) effectively runs on two schedules. In September 2024, 93% of arrivals were on time; in June 2025 that fell to 68% — a 25-point seasonal swing. Across the full period the route averages 80% on-time against a national 78%.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 2.5
- last 12 months
- Duration
- 2h 23m
- scheduled
- Distance
- 748 mi
Best airline from FAT to SEA
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 81% | 11 min | 0.6% | 1,212 |
| Alaska Airlines | 78% | 12 min | 1.3% | 755 |
Monthly on-time trend
Best time to fly from FAT to SEA
Aim for departures around 11 a.m. (93% on-time); avoid 7 p.m. departures (57%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 10 min |
| Tuesday | 81% | 10 min |
| Wednesday | 81% | 11 min |
| Thursday | 74% | 14 min |
| Friday | 80% | 9 min |
| Saturdaybest | 83% | 13 min |
| Sunday | 80% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft35%
- Airline operations39%
- National airspace system21%
- Weather5%
Frequently asked questions
- How often are flights from FAT to SEA delayed?
- 20% of FAT–SEA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 11 minutes.
- Which airline is most reliable from FAT to SEA?
- SkyWest Airlines has the best on-time record on this route at 81%, based on 1,212 flights. 2 airlines flew FAT–SEA frequently enough to compare in this period.
- What is the best time of day to fly from FAT to SEA?
- Departures around 11 a.m. have the best record (93% on-time), while departures around 7 p.m. have the worst (57%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from FAT to SEA?
- The scheduled FAT–SEA flight time averages 2h 23m over 748 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are FAT to SEA flights cancelled?
- 0.9% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from FAT to SEA?
- June 2025 was the roughest month in this dataset, with only 68% of arrivals on time. The best was September 2024 at 93%. If your dates are flexible, that 25-point gap is worth planning around.
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Based on 1,967 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.