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Route · SEA → MSP · 2020–2025 BTS data

Seattle to Minneapolis

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SEA to MSP (Seattle to Minneapolis) ranks #576 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

87%
On-time
+8 pts
vs US avg
64 min
Delay when late
15,522
Flights
#576 of 4927
Corpus placement

Cancelled

0.6%

Best Month

Apr 2025 95%

Worst Month

Jul 2024 73%

Distance

1,399 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 208 39 1 1 DL,AS
Nov 2025 202 23 2 0 DL,AS
Oct 2025 230 20 3 0 AS,DL
Sep 2025 264 37 1 0 DL,AS
Aug 2025 291 66 1 1 AS,DL
Jul 2025 295 72 2 0 AS,DL
Jun 2025 269 45 2 0 AS,DL
May 2025 217 50 0 1 AS,DL
Apr 2025 197 9 0 0 DL,AS
Mar 2025 198 16 0 0 AS,DL
Feb 2025 160 14 0 0 AS,DL
Jan 2025 179 15 0 0 AS,DL
Dec 2024 202 20 0 0 AS,DL
Nov 2024 187 10 0 0 AS,DL
Oct 2024 222 20 0 0 AS,DL
Sep 2024 264 46 0 0 AS,DL
Aug 2024 287 69 1 1 AS,DL
Jul 2024 286 78 8 1 AS,DL
Jun 2024 269 58 0 2 AS,DL
May 2024 241 30 0 0 AS,DL
Apr 2024 224 27 0 0 AS,DL
Mar 2024 205 23 1 0 AS,DL
Feb 2024 164 16 0 0 AS,DL
Jan 2024 180 16 10 0 AS,DL

SEA–MSP seasonal on-time pattern

Best: October (91.2%) · weakest: June (82.9%)

82%84%86%88%90%92% JanFebMarAprMayJunJulAugSepOctNovDec 84.7%

Strongest calendar month

October

91.2% on-time · ~233 flights/mo

Busiest calendar month

August

~264 flights/mo avg

Weakest calendar month

June

82.9% on-time · ~229 flights/mo

Cancellation Rate

0.6%

32 of 5,441 flights

Diversion Rate

0.1%

7 of 5,441 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.

SEA on-time profile

MSP - Minneapolis

Full on-time, delay-cause, and seasonal performance for Minneapolis, MN.

MSP on-time profile

Compare the two airports

See SEA and MSP side by side on delays, cancellations, and reliability.

Compare SEA vs MSP

Origin-hub reliability standing

Among SEA's stronger departures

SEA → MSP posts a 87% on-time rate, landing in the ≥85% band with 25 of 89 BTS-tracked routes leaving Seattle. The same hub also shows 63 mid-band and 1 challenged departures · fleet-wide on-time rank #639 of 4927 (highest on-time = #1).

What the Data Says About SEA to MSP

Seattle to Minneapolis (SEA to MSP) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87% on-time rate across 15,522 flights, with delays that do happen averaging 64.3 minutes. The corridor runs roughly 1,399 miles and is served by 3 carriers. Over the most recent 24 months, 32 of 5,441 flights were cancelled (0.6%) and 7 diverted (0.1%).

The monthly split is wide on this route: Apr 2025 posted the strongest performance at 95% on-time, while Jul 2024 came in at just 73% - a 23-point swing worth factoring into travel timing.

On the multi-year calendar, SEA–MSP peaks in October at 91.2% on-time while August carries the heaviest traffic (~264 flights per month) ; the softest month is June at 82.9%, a 8.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SEA to MSP rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SEA to MSP ranks #576 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SEA to MSP? ▼
Flights from Seattle to Minneapolis have a 87% on-time rate based on 15,522 flights. The average delay is 64.3 minutes. The best recent month was Apr 2025 with 95% on-time.
What is the cancellation rate for SEA to MSP? ▼
Over the last 24 months, 0.6% of flights on this route were cancelled (32 of 5,441 flights) and 0.1% were diverted.
How far is the flight from SEA to MSP? ▼
The flight distance from Seattle (SEA) to Minneapolis (MSP) is approximately 1,399 miles. This route is served by 3 carriers.
When is the best time to fly from SEA to MSP? ▼
The best recent month for on-time performance was Apr 2025 (95% on-time). The worst was Jul 2024 (73% on-time). Consider booking during months with historically better performance.

Airports on this route

SEA Airport

Seattle
MSP Airport

Minneapolis
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.

Using SEA–MSP data

SEA–MSP runs 8 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SEA and MSP airport profiles: delay causes and top routes differ even on the same corridor. SEA airport
  • If your dates flex, October (91.2% on-time) beats June (82.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 87% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.