Route on-time record
SNA to SEA: most on-time flights and the best time to fly
Santa Ana (John Wayne Orange County International Airport) to Seattle (Seattle–Tacoma International Airport). 3,970 nonstop flights in Jun 2025 to May 2026, 85% arrived within 15 minutes and 1.3% were cancelled. The most reliable flight number was Alaska 1325 at 6:45 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
SNA → SEA
Santa Ana to Seattle: 3,970 nonstop flights a year
On time (12 months)
85%
Cancelled
1.3%
avg delay 10 min
Best time to leave
After 9 PM
95% on time vs 75% 6 to 9 PM
Most reliable airline
Alaska
85% 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 1325
6:45 AM → 9:53 AM3h 06m nonstop
Local times, typical schedule. Last flown 2026-05-31.
92%
chance on time
- On time (history)
- 94%
- Cancelled
- 2.1%
- Avg arrival delay
- 3 min
- Arrived on time 94% of the time (323 flights, Jun 2025 to May 2026).
Strong track record · 323 flights
Find Alaska 1325 fares Opens this date on Aviasales#2 · Alaska 548
12:07 PM → 3:06 PM2h 59m nonstop
Local times, typical schedule. Last flown 2026-05-12.
91%
chance on time
- On time (history)
- 94%
- Cancelled
- 1.1%
- Avg arrival delay
- 4 min
- Arrived on time 94% of the time (179 flights, Jun 2025 to May 2026).
Moderate track record · 179 flights
Find Alaska 548 fares Opens this date on Aviasales#3 · Alaska 702
8:05 AM → 11:04 AM2h 59m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
- On time (history)
- 93%
- Cancelled
- 0.5%
- Avg arrival delay
- 5 min
- Arrived on time 93% of the time (216 flights, Jun 2025 to May 2026).
Strong track record · 216 flights
Find Alaska 702 fares Opens this date on Aviasales#4 · Alaska 1378
10:26 AM → 1:25 PM2h 59m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
- On time (history)
- 93%
- Cancelled
- 0.5%
- Avg arrival delay
- 6 min
- Arrived on time 93% of the time (216 flights, Jun 2025 to May 2026).
Strong track record · 216 flights
Find Alaska 1378 fares Opens this date on Aviasales#5 · Alaska 760
2:34 PM → 5:30 PM2h 56m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
- On time (history)
- 91%
- Cancelled
- 1.1%
- Avg arrival delay
- 6 min
- Arrived on time 91% of the time (179 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.
Moderate track record · 179 flights
Find Alaska 760 fares Opens this date on Aviasales#6 · Delta 1293
7:30 AM → 10:32 AM3h 02m nonstop
Local times, typical schedule. Last flown 2026-05-06.
86%
chance on time
- On time (history)
- 90%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 90% of the time (121 flights, Jun 2025 to May 2026).
- Never cancelled in 122 scheduled flights.
Moderate track record · 121 flights
Find Delta 1293 fares Opens this date on Aviasales#7 · Delta 2101
11:05 AM → 2:07 PM3h 02m nonstop
Local times, typical schedule. Last flown 2026-05-06.
85%
chance on time
- On time (history)
- 86%
- Cancelled
- 1.7%
- Avg arrival delay
- 11 min
- Arrived on time 86% of the time (281 flights, Jun 2025 to May 2026).
- 58% of its delay minutes came from the plane arriving late from an earlier flight.
Strong track record · 281 flights
Find Delta 2101 fares Opens this date on Aviasales#8 · Alaska 373
2:57 PM → 5:54 PM2h 57m nonstop
Local times, typical schedule. Last flown 2026-04-21.
85%
chance on time
- On time (history)
- 86%
- Cancelled
- 0.0%
- Avg arrival delay
- 7 min
- Arrived on time 86% of the time (29 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.
- Short track record (29 flights), so its score leans on the airline's record at this hour.
Limited track record · 29 flights
Find Alaska 373 fares Opens this date on Aviasales#9 · SkyWest 3685 · sold as United Express, Delta Connection, American Eagle or Alaska
10:50 AM → 2:00 PM3h 10m nonstop
Local times, typical schedule. Last flown 2026-05-31.
84%
chance on time
- On time (history)
- 87%
- Cancelled
- 0.0%
- Avg arrival delay
- 22 min
- Arrived on time 87% of the time (23 flights, Jun 2025 to May 2026).
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find 10:50 AM flight fares Opens this date on Aviasales#10 · Alaska 1310
8:34 PM → 11:28 PM2h 54m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
- On time (history)
- 85%
- Cancelled
- 1.9%
- Avg arrival delay
- 6 min
- Arrived on time 85% of the time (152 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 75% on time; After 9 PM: 95%).
Moderate track record · 152 flights
Find Alaska 1310 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Alaska Airlines85%
2,625 flights · 86% on time as flown · 1.4% cancel
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)82%
375 flights · 81% on time as flown · 0.6% cancel
- Delta Air Lines80%
970 flights · 81% on time as flown · 1.3% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM91%
1,091 flights · avg delay 7 min
- 9 AM to noon88%
751 flights · avg delay 10 min
- Noon to 3 PM84%
547 flights · avg delay 11 min
- 3 to 6 PM80%
871 flights · avg delay 12 min
- 6 to 9 PM75%
564 flights · avg delay 13 min
- After 9 PM95%
146 flights · avg delay 2 min
Best day: Wednesday (89%). Worst: Sunday (83%).
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
- Late-arriving aircraft44%
- Airline (crew, maintenance, boarding)35%
- Air traffic control and airport volume19%
- Severe weather1%
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
SNA to SEA questions
- What time of day is best to fly SNA to SEA?
- After 9 PM: 95% of flights arrived on time, against 75% for departures 6 to 9 PM.
- Which airline is most on time from SNA to SEA?
- Alaska, with a season-adjusted 85% chance of operating and arriving on time over 2,625 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 SNA to SEA?
- June (79% on time); the best was November (90%), 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 SNA
- SEA to SNA (return)
- SNA to SFO 74%
- SNA to PHX 82%
- SNA to LAS 83%
- SNA to DEN 82%
- SNA to DFW 79%
- SNA to SJC 87%
- SNA to OAK 85%
- SNA to SMF 85%
- SNA to ORD 77%
- SNA to SLC 87%
- SNA to PDX 93%
- SNA to IAH 88%
Live status: FAA delays and ground stops