Historical on-time performance
Greensboro to Washington
248 miData through Dec 2025Source: US DOT · BTS
Flights on GSO–DCA arrive on time 69% of the time over the last 12 months.
On-time rate69%arrived within 15 min
p90 delay75 min1 in 10 flights is worse (tail risk)
Cancelled4.9%of scheduled flights
based on 657 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- PSA AirlinesOn-time69%Medianon timep9080 minCancel4.1%Flights612
- Envoy AirOn-time69%Medianon timep9030 minCancel15.6%Flights45
Why flights run late
Delay causes
- Airline45%
- Weather6%
- Air traffic (NAS)15%
- Late aircraft34%
- 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 GSO → DCA
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 62% to 84% on time.
- Middays84% on time · p90 20 min · 730 flights
- Mornings84% on time · p90 25 min · 1,019 flights
- Afternoons72% on time · p90 55 min · 308 flights
- Evenings62% on time · p90 95 min · 454 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 84% on time.
- Saturdays84% on time · p90 20 min · 266 flights
- Sundays80% on time · p90 35 min · 326 flights
- Thursdays78% on time · p90 45 min · 375 flights
- Wednesdays78% on time · p90 50 min · 387 flights
- Fridays78% on time · p90 40 min · 378 flights
- Mondays77% on time · p90 40 min · 390 flights
- Tuesdays76% on time · p90 45 min · 389 flights
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