Historical on-time performance
Washington to Buffalo
Flights on DCA–BUF arrive on time 63% of the time over the last 12 months.
based on 907 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.
- Republic AirwaysOn-time66%Medianon timep9045 minCancel1.4%Flights139
- PSA AirlinesOn-time63%Medianon timep9085 minCancel4.4%Flights705
- Envoy AirOn-time62%Medianon timep90105 minCancel9.5%Flights63
Why flights run late
Delay causes
- Airline18%
- Weather12%
- Air traffic (NAS)12%
- Late aircraft58%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline3%
- Weather82%
- Air traffic (NAS)15%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 39 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 → BUF
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 58% to 79% on time.
- Middays79% on time · p90 40 min · 1,317 flights
- Mornings74% on time · p90 40 min · 130 flights · limited
- Afternoons68% on time · p90 75 min · 1,039 flights
- Overnights58% on time · p90 70 min · 978 flights
Best day of week
Saturdays are the most reliable day to fly this route — 77% on time.
- Saturdays77% on time · p90 50 min · 390 flights
- Tuesdays71% on time · p90 65 min · 519 flights
- Mondays70% on time · p90 65 min · 521 flights
- Thursdays70% on time · p90 65 min · 514 flights
- Wednesdays70% on time · p90 45 min · 517 flights
- Sundays67% on time · p90 60 min · 525 flights
- Fridays65% on time · p90 75 min · 520 flights
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