Route on-time record
FAT to SEA: most on-time flights and the best time to fly
Fresno (Fresno Yosemite International Airport) to Seattle (Seattle–Tacoma International Airport). 1,003 nonstop flights in Jun 2025 to May 2026, 78% arrived within 15 minutes and 1.3% were cancelled. The most reliable flight number was Alaska 408 at 2:33 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
FAT → SEA
Fresno to Seattle: 1,003 nonstop flights a year
On time (12 months)
78%
Cancelled
1.3%
avg delay 13 min
Best time to leave
9 AM to noon
93% on time vs 62% 6 to 9 PM
Most reliable airline
SkyWest
78% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · Alaska 408
2:33 PM → 4:55 PM2h 23m nonstop
Local times, typical schedule. Last flown 2026-05-12.
82%
chance on time
- On time (history)
- 84%
- Cancelled
- 0.5%
- Avg arrival delay
- 11 min
- Arrived on time 84% of the time (185 flights, Jun 2025 to May 2026).
- Lands inside SEA's trouble window: 54% of its 68 ground stops and delay programs started between 4 PM and 10 PM.
- 55% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 185 flights
Find Alaska 408 fares Opens this date on Aviasales#2 · Alaska 384
12:03 PM → 2:29 PM2h 26m nonstop
Local times, typical schedule. Last flown 2026-05-31.
81%
chance on time
- On time (history)
- 89%
- Cancelled
- 0.0%
- Avg arrival delay
- 14 min
- Arrived on time 89% of the time (19 flights, Jun 2025 to May 2026).
- 99% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 19 flights
Find Alaska 384 fares Opens this date on Aviasales#3 · Alaska 403
7:37 PM → 10:12 PM2h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
70%
chance on time
- On time (history)
- 79%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 79% of the time (19 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 62% on time; 9 AM to noon: 93%).
Limited track record · 19 flights
Find Alaska 403 fares Opens this date on Aviasales#4 · SkyWest 3345 · sold as United Express, Delta Connection, American Eagle or Alaska
8:06 AM → 10:37 AM2h 31m nonstop
Local times, typical schedule. Last flown 2026-05-31.
67%
chance on time
- On time (history)
- 68%
- Cancelled
- 1.4%
- Avg arrival delay
- 17 min
- Arrived on time 68% of the time (359 flights, Jun 2025 to May 2026).
Strong track record · 359 flights
Find 8:06 AM flight fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)78%
650 flights · 79% on time as flown · 0.9% cancel
- Alaska Airlines76%
353 flights · 77% on time as flown · 2.0% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM69%
377 flights · avg delay 16 min
- 9 AM to noon93%
148 flights · avg delay 7 min
- Noon to 3 PM87%
75 flights · avg delay 13 min
- 3 to 6 PM87%
279 flights · avg delay 9 min
- 6 to 9 PM62%
124 flights · avg delay 19 min
Best day: Saturday (84%). Worst: Thursday (78%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Airline (crew, maintenance, boarding)44%
- Late-arriving aircraft36%
- Air traffic control and airport volume17%
- Severe weather2%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
FAT to SEA questions
- What time of day is best to fly FAT to SEA?
- 9 AM to noon: 93% of flights arrived on time, against 62% for departures 6 to 9 PM.
- Which airline is most on time from FAT to SEA?
- SkyWest, with a season-adjusted 78% chance of operating and arriving on time over 650 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on FAT to SEA?
- July (76% on time); the best was October (89%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from FAT
- SEA to FAT (return)
- FAT to LAS 83%
- FAT to SAN 77%
- FAT to DEN 87%
- FAT to PHX 82%
- FAT to DFW 80%
- FAT to SLC 95%
- FAT to SFO 70%
- FAT to LAX 87%
- FAT to PDX 90%
Most on-time flights from FAT on every route →
Live status: FAA delays and ground stops