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Route · MSP → IAD · 2020–2025 BTS data

Minneapolis to Washington

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MSP to IAD (Minneapolis to Washington) ranks #1928 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

84.7%
On-time
+5.7 pts
vs US avg
66 min
Delay when late
6,519
Flights
#1928 of 4927
Corpus placement

Cancelled

0.4%

Best Month

Oct 2024 93%

Worst Month

Jun 2024 61%

Distance

908 mi

Carriers

24

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 76 27 0 0 OO
Nov 2025 77 11 0 0 OO,DL
Oct 2025 77 6 0 0 OO
Sep 2025 39 2 0 0 OO
Aug 2025 82 15 0 0 OO
Jul 2025 85 21 0 0 DL,OO
Jun 2025 88 18 0 0 OO,YX
May 2025 88 10 0 0 OO,YX
Apr 2025 75 6 0 0 OO
Mar 2025 82 9 0 0 YX,OO
Feb 2025 65 11 1 0 OO,YX
Jan 2025 62 8 1 0 OO
Dec 2024 80 22 0 0 OO,UA
Nov 2024 83 14 0 0 OO,9E
Oct 2024 89 6 0 0 OO,9E
Sep 2024 81 15 0 0 OO,9E
Aug 2024 84 24 2 1 OO
Jul 2024 84 22 0 0 OO
Jun 2024 84 33 2 0 OO
May 2024 89 11 0 0 OO,UA
Apr 2024 74 10 0 0 OO
Mar 2024 62 8 2 0 OO
Feb 2024 60 8 0 0 OO,UA
Jan 2024 62 20 0 0 9E,OO

MSP–IAD seasonal on-time pattern

Best: September (92.0%) · weakest: December (75.2%)

70%75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 75.2%

Strongest calendar month

September

92.0% on-time · ~94 flights/mo

Busiest calendar month

August

~104 flights/mo avg

Weakest calendar month

December

75.2% on-time · ~88 flights/mo

Cancellation Rate

0.4%

8 of 1,828 flights

Diversion Rate

0.1%

1 of 1,828 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.

MSP on-time profile

IAD - Washington

Full on-time, delay-cause, and seasonal performance for Washington, DC.

IAD on-time profile

Compare the two airports

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

Compare MSP vs IAD

Origin-hub reliability standing

Mid-pack among MSP departures

From MSP, this corridor sits with 57 other 75–85% on-time routes out of 99 tracked departures, not the hub's reliability leaders (42 at ≥85%) and not the softest ( 0 below 75%). Destination: Washington · fleet on-time rank #1338 of 4927.

What the Data Says About MSP to IAD

Bureau of Transportation Statistics records show Minneapolis to Washington (MSP to IAD) running a 84.7% on-time rate over 6,519 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 66.2 minutes. The 908-mile corridor is served by 24 carriers, and over the last 24 months 0.4% of 1,828 flights were cancelled, 0.1% diverted.

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 93% on-time, while Jun 2024 came in at just 61% - a 33-point swing worth factoring into travel timing.

On the multi-year calendar, MSP–IAD peaks in September at 92.0% on-time while August carries the heaviest traffic (~104 flights per month) ; the softest month is December at 75.2%, a 16.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does MSP to IAD rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, MSP to IAD ranks #1928 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 MSP to IAD? ▼
Flights from Minneapolis to Washington have a 84.7% on-time rate based on 6,519 flights. The average delay is 66.2 minutes. The best recent month was Oct 2024 with 93% on-time.
What is the cancellation rate for MSP to IAD? ▼
Over the last 24 months, 0.4% of flights on this route were cancelled (8 of 1,828 flights) and 0.1% were diverted.
How far is the flight from MSP to IAD? ▼
The flight distance from Minneapolis (MSP) to Washington (IAD) is approximately 908 miles. This route is served by 24 carriers.
When is the best time to fly from MSP to IAD? ▼
The best recent month for on-time performance was Oct 2024 (93% on-time). The worst was Jun 2024 (61% on-time). Consider booking during months with historically better performance.

Airports on this route

MSP Airport

Minneapolis
IAD Airport

Washington
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 MSP–IAD data

MSP–IAD runs 5.7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare MSP and IAD airport profiles: delay causes and top routes differ even on the same corridor. MSP airport
  • If your dates flex, September (92.0% on-time) beats December (75.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 84.7% 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.