Historical on-time performance
Washington to Birmingham
653 miData through Dec 2025Source: US DOT · BTS
Flights on DCA–BHM arrive on time 66% of the time over the last 12 months.
On-time rate66%arrived within 15 min
p90 delay90 min1 in 10 flights is worse (tail risk)
Cancelled5.4%of scheduled flights
based on 923 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- PSA AirlinesOn-time66%Medianon timep9090 minCancel5.4%Flights923
Why flights run late
Delay causes
- Airline27%
- Weather4%
- Air traffic (NAS)12%
- 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 → BHM
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 83% on time.
- Mornings83% on time · p90 25 min · 1,018 flights
- Middays80% on time · p90 40 min · 622 flights
- Evenings67% on time · p90 85 min · 349 flights
- Afternoons66% on time · p90 85 min · 418 flights
- Overnights63% on time · p90 95 min · 603 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 80% on time.
- Saturdays80% on time · p90 40 min · 320 flights
- Tuesdays80% on time · p90 30 min · 460 flights
- Wednesdays75% on time · p90 50 min · 458 flights
- Thursdays73% on time · p90 45 min · 450 flights
- Mondays73% on time · p90 70 min · 462 flights
- Fridays71% on time · p90 60 min · 456 flights
- Sundays69% on time · p90 100 min · 404 flights
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