Route
ANC → SEA
Ted Stevens Anchorage International Airport Seattle–Tacoma International Airport
How punctual is this route?
- On-time arrivals
- 86.9%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 6,616
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 43%
- Late-arriving aircraft 35%
- Air traffic control & airport 13%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.7% | 625 |
| October 2025 | 88.6% | 555 |
| November 2025 | 86.6% | 485 |
| December 2025 | 78.9% | 475 |
| January 2026 | 79.9% | 475 |
| February 2026 | 88.4% | 415 |
| March 2026 | 87.7% | 478 |
| April 2026 | 94.7% | 452 |
| May 2026 | 93.8% | 585 |
| June 2026 | 89.7% | 664 |
| July 2026 | 83.4% | 721 |
| August 2026 | 84.6% | 686 |
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 | 4,997 | 86.4% | 0.9% | 61 min |
| Delta Air Lines | 1,608 | 88.7% | 0.7% | 109 min |
| Hawaiian Airlines | 11 | 27.3% | 0.0% | 36 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL853
11% late · 365 flights
-
DL922
13% late · 365 flights
-
DL925
9% late · 365 flights
-
AS47
19% late · 320 flights
-
AS48
10% late · 311 flights
-
AS82
12% late · 302 flights
-
AS54
12% late · 286 flights
-
AS268
13% late · 272 flights
-
AS98
12% late · 272 flights
-
AS226
17% late · 224 flights
-
DL928
16% late · 224 flights
-
AS134
15% late · 199 flights
-
AS104
14% late · 177 flights
-
AS143
25% late · 170 flights
-
AS188
6% late · 146 flights
-
AS75
14% late · 144 flights
-
AS100
14% late · 119 flights
-
AS160
6% late · 119 flights
-
AS1498
11% late · 118 flights
-
DL2768
5% late · 117 flights
-
AS254
10% late · 113 flights
-
AS110
7% late · 91 flights
-
DL1549
14% late · 86 flights
-
DL1656
7% late · 86 flights
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