Historical on-time performance
Morgantown to Washington
140 miData through Dec 2025Source: US DOT · BTS
Flights on MGW–IAD arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay105 min1 in 10 flights is worse (tail risk)
Cancelled3.3%of scheduled flights
based on 306 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time77%Medianon timep90105 minCancel3.3%Flights306
Why flights run late
Delay causes
- Airline53%
- Weather5%
- Air traffic (NAS)2%
- Late aircraft39%
- 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 MGW → IAD
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 80% on time.
- Tuesdays80% on time · p90 15 min · 55 flights · limited
- Saturdays78% on time · p90 40 min · 55 flights · limited
- Sundays78% on time · p90 80 min · 55 flights · limited
- Fridays76% on time · p90 35 min · 54 flights · limited
- Mondays71% on time · p90 180 min · 55 flights · limited
- Thursdays70% on time · p90 280 min · 53 flights · limited
- Wednesdays69% on time · p90 275 min · 54 flights · limited
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