Route
SNA → SEA
John Wayne Orange County International Airport Seattle–Tacoma International Airport
Alerts at SNA and SEA
-
Advisory Airport Closure SNA
Airport Closure at John Wayne Orange County International Airport (SNA): Reopens Nov 08 at 14:15 UTC.
Airport status
How punctual is this route?
- On-time arrivals
- 85.8%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 64 min
- Flights arriving 15+ minutes late
- Flights tracked
- 3,944
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 42%
- Late-arriving aircraft 38%
- Air traffic control & airport 17%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 89.0% | 330 |
| October 2025 | 87.7% | 341 |
| November 2025 | 92.0% | 329 |
| December 2025 | 80.6% | 319 |
| January 2026 | 89.9% | 312 |
| February 2026 | 89.6% | 282 |
| March 2026 | 85.3% | 308 |
| April 2026 | 90.3% | 301 |
| May 2026 | 90.9% | 353 |
| June 2026 | 80.5% | 354 |
| July 2026 | 78.5% | 369 |
| August 2026 | 77.2% | 346 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Alaska Airlines | 2,569 | 87.9% | 1.1% | 55 min |
| Delta Air Lines | 891 | 82.7% | 1.2% | 81 min |
| SkyWest Airlines | 484 | 80.0% | 0.4% | 67 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
AS1325
6% late · 340 flights
-
AS702
10% late · 309 flights
-
AS760
13% late · 273 flights
-
AS548
10% late · 263 flights
-
AS1378
7% late · 237 flights
-
AS774
18% late · 208 flights
-
DL2101
12% late · 194 flights
-
AS1310
16% late · 176 flights
-
OO3999
30% late · 137 flights
-
DL1293
10% late · 122 flights
-
OO3695
14% late · 117 flights
-
DL879
17% late · 108 flights
-
DL2318
24% late · 104 flights
-
AS1342
18% late · 83 flights
-
DL952
28% late · 82 flights
-
OO3966
23% late · 82 flights
-
DL1690
9% late · 75 flights
-
AS471
9% late · 70 flights
-
AS454
46% late · 68 flights
-
OO4148
21% late · 65 flights
-
AS1149
11% late · 55 flights
-
AS1191
11% late · 55 flights
-
AS1203
19% late · 45 flights
-
AS186
0% late · 40 flights
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