Route · SEA → FAI · 2020–2025 BTS data
Seattle to Fairbanks
The SEA–FAI corridor (Seattle, WA → Fairbanks, AK) runs behind the national average, served by 8 carriers across roughly 1,533 miles.
Data updated 2026-06-13
- 76.4%
- On-time
- -2.6 pts
- vs US avg
- 50 min
- Delay when late
- 11,703
- Flights
Cancelled
0.9%
Best Month
Feb 2024 91%
Worst Month
Dec 2025 56%
Distance
1,533 mi
Carriers
8
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 201 | 89 | 4 | 0 | DL,AS |
| Nov 2025 | 166 | 19 | 0 | 0 | DL,AS |
| Oct 2025 | 165 | 31 | 2 | 0 | AS,DL |
| Sep 2025 | 235 | 29 | 0 | 0 | DL,AS |
| Aug 2025 | 246 | 66 | 2 | 0 | AS,DL |
| Jul 2025 | 247 | 78 | 7 | 0 | AS,DL |
| Jun 2025 | 223 | 84 | 1 | 0 | AS,DL |
| May 2025 | 172 | 56 | 1 | 0 | AS,DL |
| Apr 2025 | 171 | 39 | 0 | 0 | DL,AS |
| Mar 2025 | 197 | 26 | 1 | 0 | AS,DL |
| Feb 2025 | 168 | 38 | 1 | 0 | AS,DL |
| Jan 2025 | 190 | 34 | 0 | 0 | AS,DL |
| Dec 2024 | 185 | 36 | 0 | 0 | AS,DL |
| Nov 2024 | 163 | 39 | 1 | 0 | AS,DL |
| Oct 2024 | 178 | 33 | 2 | 2 | AS,DL |
| Sep 2024 | 240 | 54 | 1 | 0 | AS,DL |
| Aug 2024 | 248 | 86 | 2 | 0 | AS,DL |
| Jul 2024 | 248 | 79 | 3 | 0 | AS,DL |
| Jun 2024 | 222 | 60 | 0 | 0 | AS,DL |
| May 2024 | 182 | 75 | 1 | 0 | AS,DL |
| Apr 2024 | 163 | 53 | 1 | 0 | AS,DL |
| Mar 2024 | 195 | 45 | 0 | 1 | AS,DL |
| Feb 2024 | 145 | 13 | 1 | 0 | AS,DL |
| Jan 2024 | 162 | 40 | 10 | 0 | AS,DL |
Cancellation Rate
0.9%
41 of 4,712 flights
Diversion Rate
0.1%
3 of 4,712 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Origin airport →FAI - Fairbanks
Full on-time, delay-cause, and seasonal performance for Fairbanks, AK.
Destination airport →Compare the two airports
See SEA and FAI side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SEA–FAI.
Routes with a similar on-time rate
What the Data Says About SEA to FAI
The Seattle to Fairbanks corridor (SEA to FAI) posts a 76.4% on-time rate on the lower edge of the average band, based on 11,703 tracked flights. Late flights run 49.5 minutes behind on average. 8 carriers cover the 1,533-mile route; over the last 24 months, 41 of 4,712 flights were cancelled (0.9%) and 0.1% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 91% on-time, while Dec 2025 came in at just 56% - a 35-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from SEA to FAI? ▼
What is the cancellation rate for SEA to FAI? ▼
How far is the flight from SEA to FAI? ▼
When is the best time to fly from SEA to FAI? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.