FlyOnSchedule

Best Time to Fly FAT to SEA: On-Time Stats by Hour & Airline

Fresno Yosemite International → Seattle/Tacoma International

Data through July 2026 · Last updated October 18, 2026

On-time arrivals81.9%last 12 months
Avg delay when late56 minflights 15+ min late
Cancelled0.9%of scheduled flights
Flights926scheduled, 12 months

Over the last 12 months, 81.9% of Fresno (FAT) to Seattle (SEA) flights arrived on time (926 scheduled flights). That is 4.3 points above the national average of 77.6%.

Among 2 airlines, Alaska Airlines led with 82.0% on time and SkyWest Airlines was last with 81.8%.

Over 24 months, Saturday was the most reliable day (83% on time) and May the worst month (74%).

The cancellation rate was 0.9% (US average 1.8%).

FAT to SEA on-time performance by airline

Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.

AirlineOn timeAvg delay when lateCancelledFlights
Alaska Airlines 82.0%55 min1.2% 399
SkyWest Airlines 81.8%57 min0.6% 527

80%+ good 70–79.9% fair <70% poor

Best time of day to fly FAT to SEA

On-time arrival % by scheduled departure hour (local time), 1,906 flights over 24 months.

Show the numbers
Departure hourOn timeCancelledFlights
6am–7am Limited data 12
7am–8am 92.5%0.5% 203
8am–9am 70.2%0.9% 526
9am–10am Limited data 1
10am–11am 87.2%0.5% 220
11am–12pm 93.5%0.0% 93
12pm–1pm Limited data 28
1pm–2pm 81.1%0.0% 37
2pm–3pm 87.7%0.0% 65
3pm–4pm Limited data 29
4pm–5pm 82.9%1.6% 249
5pm–6pm 88.5%0.5% 201
6pm–7pm Limited data 15
7pm–8pm 56.4%2.3% 176
8pm–9pm 82.3%0.0% 51

Best day of the week

24 months, by day of departure.

Best month to fly

24 months, by calendar month.

Holiday travel on FAT to SEA

On-time arrivals during holiday periods compared with all other days, last 24 months.

PeriodOn timevs other daysCancelledFlights
Thanksgiving week (Tue before to Mon after) 93.8% +13.0 pts 0.0% 32
Christmas & New Year (Dec 20 - Jan 3) 83.1% +2.3 pts 0.0% 72
Summer peak (Jun 15 - Aug 15) 76.2% -4.6 pts 1.2% 404
All other days80.8%—0.9%1,398

Monthly on-time trend

On-time arrival % each month, with the 12-month US average for reference.

What causes delays on this route

Share of reported delay minutes, last 12 months (BTS cause categories).