Historical on-time performance
Washington to Morgantown
140 miData through Dec 2025Source: US DOT · BTS
Flights on IAD–MGW arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay70 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-time79%Medianon timep9070 minCancel3.3%Flights306
Why flights run late
Delay causes
- Airline42%
- Weather9%
- Air traffic (NAS)1%
- Late aircraft48%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly IAD → MGW
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 87% on time.
- Saturdays87% on time · p90 30 min · 55 flights · limited
- Fridays80% on time · p90 210 min · 55 flights · limited
- Tuesdays76% on time · p90 30 min · 55 flights · limited
- Thursdays74% on time · p90 160 min · 53 flights · limited
- Mondays73% on time · p90 70 min · 55 flights · limited
- Sundays71% on time · p90 85 min · 55 flights · limited
- Wednesdays69% on time · p90 180 min · 54 flights · limited
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