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Route · IAD → MSP · 2020–2025 BTS data

Washington to Minneapolis

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), IAD to MSP (Washington to Minneapolis) ranks #1925 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

86.2%
On-time
+7.2 pts
vs US avg
100 min
Delay when late
6,537
Flights
#1925 of 4927
Corpus placement

Cancelled

0.5%

Best Month

Oct 2024 94%

Worst Month

Jun 2024 67%

Distance

908 mi

Carriers

26

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 76 21 0 0 OO
Nov 2025 77 5 0 0 OO,DL
Oct 2025 76 5 0 0 OO
Sep 2025 40 2 0 0 OO
Aug 2025 82 15 0 2 OO
Jul 2025 85 16 0 1 DL,OO
Jun 2025 88 18 0 0 OO,YX
May 2025 88 13 0 0 OO,YX
Apr 2025 75 7 0 0 OO
Mar 2025 81 11 1 0 YX,OO
Feb 2025 66 7 1 0 OO,YX
Jan 2025 62 9 1 0 OO
Dec 2024 80 15 0 0 OO,UA
Nov 2024 83 7 0 0 OO,9E
Oct 2024 89 5 0 0 OO,9E
Sep 2024 81 8 0 0 OO,9E
Aug 2024 86 28 4 0 OO,UA
Jul 2024 84 23 0 0 OO
Jun 2024 84 28 1 0 OO
May 2024 88 10 0 0 OO
Apr 2024 74 5 0 0 OO
Mar 2024 62 5 1 0 OO
Feb 2024 60 6 0 0 OO,UA
Jan 2024 62 13 0 0 9E,OO

IAD–MSP seasonal on-time pattern

Best: October (92.5%) · weakest: June (80.0%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 83.8%

Strongest calendar month

October

92.5% on-time · ~103 flights/mo

Busiest calendar month

August

~104 flights/mo avg

Weakest calendar month

June

80.0% on-time · ~85 flights/mo

Cancellation Rate

0.5%

9 of 1,829 flights

Diversion Rate

0.2%

3 of 1,829 flights

Origin-hub reliability standing

Among IAD's stronger departures

IAD → MSP posts a 86.2% on-time rate, landing in the ≥85% band with 14 of 58 BTS-tracked routes leaving Washington. The same hub also shows 42 mid-band and 2 challenged departures · fleet-wide on-time rank #843 of 4927 (highest on-time = #1).

What the Data Says About IAD to MSP

Washington to Minneapolis (IAD to MSP) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.2% on-time rate across 6,537 flights, with delays that do happen averaging 99.8 minutes. The corridor runs roughly 908 miles and is served by 26 carriers. Over the most recent 24 months, 9 of 1,829 flights were cancelled (0.5%) and 3 diverted (0.2%).

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 94% on-time, while Jun 2024 came in at just 67% - a 28-point swing worth factoring into travel timing.

On the multi-year calendar, IAD–MSP peaks in October at 92.5% on-time while August carries the heaviest traffic (~104 flights per month) ; the softest month is June at 80.0%, a 12.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does IAD to MSP rank among US routes by traffic?
According to PlainFlights' route traffic ranking, IAD to MSP ranks #1925 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 IAD to MSP?
Flights from Washington to Minneapolis have a 86.2% on-time rate based on 6,537 flights. The average delay is 99.8 minutes. The best recent month was Oct 2024 with 94% on-time.
What is the cancellation rate for IAD to MSP?
Over the last 24 months, 0.5% of flights on this route were cancelled (9 of 1,829 flights) and 0.2% were diverted.
How far is the flight from IAD to MSP?
The flight distance from Washington (IAD) to Minneapolis (MSP) is approximately 908 miles. This route is served by 26 carriers.
When is the best time to fly from IAD to MSP?
The best recent month for on-time performance was Oct 2024 (94% on-time). The worst was Jun 2024 (67% on-time). Consider booking during months with historically better performance.

Airports on this route

Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Using IAD–MSP data

IAD–MSP runs 7.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare IAD and MSP airport profiles: delay causes and top routes differ even on the same corridor. IAD airport
  • If your dates flex, October (92.5% on-time) beats June (80.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 86.2% 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.