Route
SEA → OAK
Seattle–Tacoma International Airport Oakland San Francisco Bay Airport
Alerts at SEA and OAK
How punctual is this route?
- On-time arrivals
- 73.7%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,914
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 54%
- Airline (crew, maintenance, cleaning) 37%
- Air traffic control & airport 7%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 71.1% | 166 |
| October 2025 | 79.7% | 178 |
| November 2025 | 79.3% | 153 |
| December 2025 | 64.7% | 151 |
| January 2026 | 82.1% | 147 |
| February 2026 | 82.4% | 136 |
| March 2026 | 76.0% | 124 |
| April 2026 | 81.7% | 120 |
| May 2026 | 75.6% | 124 |
| June 2026 | 69.9% | 186 |
| July 2026 | 70.0% | 211 |
| August 2026 | 62.3% | 218 |
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 |
|---|---|---|---|---|
| Southwest Airlines | 1,088 | 69.8% | 0.3% | 57 min |
| Alaska Airlines | 785 | 78.3% | 1.3% | 53 min |
| SkyWest Airlines | 41 | 92.3% | 4.9% | 87 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
AS706
25% late · 291 flights
-
AS1328
25% late · 238 flights
-
AS533
10% late · 83 flights
-
WN2370
33% late · 60 flights
-
WN1372
33% late · 58 flights
-
WN1801
44% late · 50 flights
-
AS734
16% late · 49 flights
-
WN1855
18% late · 49 flights
-
WN3588
0% late · 49 flights
-
WN2890
67% late · 43 flights
-
AS1152
13% late · 40 flights
-
WN1713
53% late · 36 flights
-
WN266
0% late · 35 flights
-
AS469
16% late · 33 flights
-
AS1330
22% late · 32 flights
-
WN3017
52% late · 31 flights
-
WN1053
32% late · 28 flights
-
WN2396
37% late · 27 flights
-
WN3981
11% late · 27 flights
-
WN2103
8% late · 26 flights
-
WN3864
28% late · 25 flights
-
WN2297
21% late · 24 flights
-
WN3308
50% late · 24 flights
-
WN4514
54% late · 24 flights
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