Route · MSP → SEA · 2020–2025 BTS data
Minneapolis to Seattle
The MSP–SEA corridor (Minneapolis, MN → Seattle, WA) runs ahead of the national average, served by 3 carriers across roughly 1,399 miles.
Data updated 2026-06-13
- 87%
- On-time
- +8 pts
- vs US avg
- 62 min
- Delay when late
- 15,524
- Flights
Cancelled
0.7%
Best Month
Feb 2024 95%
Worst Month
Dec 2025 52%
Distance
1,399 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 208 | 99 | 1 | 0 | DL,AS |
| Nov 2025 | 202 | 34 | 2 | 0 | DL,AS |
| Oct 2025 | 230 | 24 | 3 | 0 | AS,DL |
| Sep 2025 | 264 | 21 | 2 | 0 | DL,AS |
| Aug 2025 | 292 | 38 | 0 | 0 | AS,DL |
| Jul 2025 | 295 | 51 | 3 | 2 | AS,DL |
| Jun 2025 | 269 | 43 | 2 | 1 | AS,DL |
| May 2025 | 218 | 27 | 0 | 0 | AS,DL |
| Apr 2025 | 196 | 19 | 1 | 0 | DL,AS |
| Mar 2025 | 198 | 27 | 1 | 0 | AS,DL |
| Feb 2025 | 160 | 26 | 0 | 0 | AS,DL |
| Jan 2025 | 179 | 19 | 0 | 0 | AS,DL |
| Dec 2024 | 201 | 31 | 0 | 0 | AS,DL |
| Nov 2024 | 188 | 10 | 0 | 0 | AS,DL |
| Oct 2024 | 222 | 17 | 1 | 0 | AS,DL |
| Sep 2024 | 264 | 27 | 0 | 0 | AS,DL |
| Aug 2024 | 287 | 76 | 1 | 0 | AS,DL |
| Jul 2024 | 285 | 62 | 8 | 0 | AS,DL |
| Jun 2024 | 269 | 94 | 0 | 1 | AS,DL |
| May 2024 | 241 | 35 | 1 | 0 | AS,DL |
| Apr 2024 | 225 | 13 | 0 | 1 | AS,DL |
| Mar 2024 | 206 | 35 | 1 | 0 | AS,DL |
| Feb 2024 | 164 | 8 | 0 | 0 | AS,DL |
| Jan 2024 | 181 | 20 | 11 | 0 | AS,DL |
Cancellation Rate
0.7%
38 of 5,444 flights
Diversion Rate
0.1%
5 of 5,444 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MSP - Minneapolis
Full on-time, delay-cause, and seasonal performance for Minneapolis, MN.
Origin airport →SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Destination airport →Compare the two airports
See MSP 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 MSP–SEA.
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What the Data Says About MSP to SEA
Minneapolis to Seattle (MSP to SEA) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87% on-time rate across 15,524 flights, with delays that do happen averaging 61.7 minutes. The corridor runs roughly 1,399 miles and is served by 3 carriers. Over the most recent 24 months, 38 of 5,444 flights were cancelled (0.7%) and 5 diverted (0.1%).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 95% on-time, while Dec 2025 came in at just 52% - a 43-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.