Historical on-time performance
Washington to Minneapolis
908 miData through Dec 2025Source: US DOT · BTS
Flights on IAD–MSP arrive on time 85% of the time over the last 12 months.
On-time rate85%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 837 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time85%Medianon timep9030 minCancel0.4%Flights837
Why flights run late
Delay causes
- Airline69%
- Weather13%
- Air traffic (NAS)18%
- Late aircraft0%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly IAD → MSP
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 75% to 89% on time.
- Mornings89% on time · p90 15 min · 1,126 flights
- Afternoons88% on time · p90 15 min · 326 flights
- Middays84% on time · p90 30 min · 517 flights
- Evenings75% on time · p90 75 min · 746 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 87% on time.
- Mondays87% on time · p90 20 min · 409 flights
- Wednesdays86% on time · p90 25 min · 393 flights
- Sundays85% on time · p90 30 min · 406 flights
- Thursdays85% on time · p90 25 min · 403 flights
- Tuesdays84% on time · p90 25 min · 389 flights
- Saturdays82% on time · p90 40 min · 315 flights
- Fridays80% on time · p90 45 min · 400 flights
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