Route · FAI → SEA · 2020–2025 BTS data
Fairbanks to Seattle
The FAI–SEA corridor (Fairbanks, AK → Seattle, WA) runs ahead of the national average, served by 9 carriers across roughly 1,533 miles.
Data updated 2026-06-13
- 82.2%
- On-time
- +3.2 pts
- vs US avg
- 64 min
- Delay when late
- 11,702
- Flights
Cancelled
1.0%
Best Month
Mar 2025 92%
Worst Month
Dec 2025 68%
Distance
1,533 mi
Carriers
9
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 200 | 64 | 6 | 0 | DL,AS |
| Nov 2025 | 166 | 29 | 0 | 0 | DL,AS |
| Oct 2025 | 164 | 32 | 1 | 0 | AS,DL |
| Sep 2025 | 236 | 41 | 0 | 0 | DL,AS |
| Aug 2025 | 246 | 36 | 2 | 0 | AS,DL |
| Jul 2025 | 247 | 30 | 7 | 0 | AS,DL |
| Jun 2025 | 222 | 35 | 1 | 0 | AS,DL |
| May 2025 | 172 | 28 | 1 | 0 | AS,DL |
| Apr 2025 | 171 | 18 | 0 | 0 | DL,AS |
| Mar 2025 | 197 | 16 | 1 | 0 | AS,DL |
| Feb 2025 | 168 | 21 | 1 | 0 | AS,DL |
| Jan 2025 | 192 | 28 | 0 | 0 | AS,DL |
| Dec 2024 | 186 | 42 | 0 | 0 | AS,DL |
| Nov 2024 | 161 | 30 | 1 | 0 | AS,DL |
| Oct 2024 | 179 | 28 | 2 | 0 | AS,DL |
| Sep 2024 | 240 | 25 | 2 | 0 | AS,DL |
| Aug 2024 | 248 | 46 | 2 | 0 | AS,DL |
| Jul 2024 | 248 | 74 | 6 | 0 | AS,DL |
| Jun 2024 | 222 | 36 | 0 | 0 | AS,DL |
| May 2024 | 183 | 29 | 1 | 0 | AS,DL |
| Apr 2024 | 162 | 24 | 1 | 0 | AS,DL |
| Mar 2024 | 194 | 33 | 0 | 0 | AS,DL |
| Feb 2024 | 145 | 21 | 1 | 0 | AS,DL |
| Jan 2024 | 163 | 44 | 12 | 0 | AS,DL |
Cancellation Rate
1.0%
48 of 4,712 flights
Diversion Rate
0.0%
0 of 4,712 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
FAI - Fairbanks
Full on-time, delay-cause, and seasonal performance for Fairbanks, AK.
Origin airport →SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Destination airport →Compare the two airports
See FAI and SEA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to FAI–SEA.
Routes with a similar on-time rate
What the Data Says About FAI to SEA
Bureau of Transportation Statistics records show Fairbanks to Seattle (FAI to SEA) running a 82.2% on-time rate over 11,702 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 63.5 minutes. The 1,533-mile corridor is served by 9 carriers, and over the last 24 months 1.0% of 4,712 flights were cancelled, 0.0% diverted.
The monthly split is wide on this route: Mar 2025 posted the strongest performance at 92% on-time, while Dec 2025 came in at just 68% - a 24-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.