Minneapolis (MSP) to Washington (IAD): On-Time Performance
Data through July 2026
Minneapolis (MSP) to Washington (IAD) effectively runs on two schedules. In September 2025, 95% of arrivals were on time; in December 2025 that fell to 65% — a 30-point seasonal swing. Across the full period the route averages 82% on-time against a national 78%.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 2.7
- last 12 months
- Duration
- 2h 32m
- scheduled
- Distance
- 907 mi
Best airline from MSP to IAD
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 91% | 16 min | 5.7% | 123 |
| SkyWest Airlines | 81% | 13 min | 0.7% | 1,777 |
Monthly on-time trend
Best time to fly from MSP to IAD
Aim for departures around 9 a.m. (94% on-time); avoid 7 p.m. departures (73%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 13 min |
| Tuesday | 82% | 14 min |
| Wednesday | 82% | 10 min |
| Thursday | 80% | 17 min |
| Friday | 81% | 11 min |
| Saturdaybest | 88% | 14 min |
| Sunday | 81% | 9 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft7%
- Airline operations61%
- National airspace system18%
- Weather15%
Frequently asked questions
- How often are flights from MSP to IAD delayed?
- 18% of MSP–IAD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 13 minutes.
- Which airline is most reliable from MSP to IAD?
- Republic Airways has the best on-time record on this route at 91%, based on 123 flights. 2 airlines flew MSP–IAD frequently enough to compare in this period.
- What is the best time of day to fly from MSP to IAD?
- Departures around 9 a.m. have the best record (94% on-time), while departures around 7 p.m. have the worst (73%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MSP to IAD?
- The scheduled MSP–IAD flight time averages 2h 32m over 907 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are MSP to IAD flights cancelled?
- 1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from MSP to IAD?
- December 2025 was the roughest month in this dataset, with only 65% of arrivals on time. The best was September 2025 at 95%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 2,028 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.