Historical on-time performance
Washington to Buffalo
296 miData through Dec 2025Source: US DOT · BTS
Flights on DCA–BUF arrive on time 61% of the time over the last 12 months.
On-time rate61%arrived within 15 min
p90 delay85 min1 in 10 flights is worse (tail risk)
Cancelled5.5%of scheduled flights
based on 1,070 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time66%Medianon timep9045 minCancel1.4%Flights139
- Envoy AirbestOn-time81%Medianon timep9025 minCancel3.7%Flights81
- PSA AirlinesOn-time59%Medianon timep90100 minCancel6.4%Flights850
Why flights run late
Delay causes
- Airline19%
- Weather11%
- Air traffic (NAS)14%
- Late aircraft56%
- 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 → BUF
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 64% to 81% on time.
- Middays81% on time · p90 35 min · 1,259 flights
- Mornings76% on time · p90 35 min · 178 flights · limited
- Afternoons72% on time · p90 65 min · 1,047 flights
- Overnights64% on time · p90 60 min · 968 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 78% on time.
- Saturdays78% on time · p90 50 min · 374 flights
- Tuesdays76% on time · p90 55 min · 522 flights
- Mondays74% on time · p90 45 min · 524 flights
- Wednesdays73% on time · p90 40 min · 519 flights
- Thursdays73% on time · p90 55 min · 510 flights
- Sundays72% on time · p90 55 min · 524 flights
- Fridays68% on time · p90 55 min · 516 flights
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