Historical on-time performance
Washington to Greensboro
Flights on DCA–GSO arrive on time 60% of the time over the last 12 months.
based on 453 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- PSA AirlinesOn-time62%Medianon timep9090 minCancel4.7%Flights407
- Envoy AirOn-time43%Median10 minp90220 minCancel19.6%Flights46
Why flights run late
Delay causes
- Airline31%
- Weather14%
- Air traffic (NAS)10%
- Late aircraft45%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline4%
- Weather57%
- Air traffic (NAS)39%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 28 cancellations with a reported cause (BTS reports causes from June 2003).
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 (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 85% on time.
- Mornings85% on time · p90 15 min · 685 flights
- Middays78% on time · p90 55 min · 232 flights
- Evenings72% on time · p90 65 min · 335 flights
- Afternoons66% on time · p90 75 min · 381 flights
- Overnights59% on time · p90 90 min · 786 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 81% on time.
- Saturdays81% on time · p90 35 min · 258 flights
- Tuesdays74% on time · p90 50 min · 369 flights
- Mondays73% on time · p90 75 min · 369 flights
- Thursdays70% on time · p90 80 min · 362 flights
- Wednesdays70% on time · p90 70 min · 368 flights
- Sundays67% on time · p90 75 min · 329 flights
- Fridays65% on time · p90 70 min · 364 flights
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