Historical on-time performance
Washington to Greensboro
248 miData through Dec 2025Source: US DOT · BTS
Flights on DCA–GSO arrive on time 61% of the time over the last 12 months.
On-time rate61%arrived within 15 min
p90 delay90 min1 in 10 flights is worse (tail risk)
Cancelled5.6%of scheduled flights
based on 659 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- PSA AirlinesbestOn-time62%Medianon timep9090 minCancel4.6%Flights613
- Envoy AirOn-time43%Median10 minp90220 minCancel19.6%Flights46
Why flights run late
Delay causes
- Airline31%
- Weather9%
- Air traffic (NAS)15%
- Late aircraft46%
- 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 DCA → GSO
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 63% to 86% on time.
- Mornings86% on time · p90 15 min · 667 flights
- Middays82% on time · p90 40 min · 299 flights
- Evenings74% on time · p90 55 min · 337 flights
- Afternoons68% on time · p90 70 min · 374 flights
- Overnights63% on time · p90 80 min · 832 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 82% on time.
- Saturdays82% on time · p90 35 min · 266 flights
- Tuesdays77% on time · p90 40 min · 387 flights
- Mondays75% on time · p90 55 min · 391 flights
- Thursdays73% on time · p90 65 min · 376 flights
- Wednesdays72% on time · p90 55 min · 385 flights
- Fridays69% on time · p90 60 min · 378 flights
- Sundays69% on time · p90 75 min · 326 flights
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