Historical on-time performance
Philadelphia to Birmingham
772 miData through Dec 2025Source: US DOT · BTS
Flights on PHL–BHM arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay80 min1 in 10 flights is worse (tail risk)
Cancelled3.4%of scheduled flights
based on 411 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- PSA AirlinesOn-time72%Medianon timep9080 minCancel3.4%Flights411
Why flights run late
Delay causes
- Airline31%
- Weather5%
- Air traffic (NAS)16%
- Late aircraft49%
- 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 PHL → 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 66% to 91% on time.
- Afternoons91% on time · p90 10 min · 133 flights · limited
- Mornings88% on time · p90 20 min · 58 flights · limited
- Middays84% on time · p90 40 min · 806 flights
- Overnights69% on time · p90 75 min · 154 flights · limited
- Evenings66% on time · p90 75 min · 372 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 86% on time.
- Wednesdays86% on time · p90 30 min · 230 flights
- Tuesdays83% on time · p90 30 min · 196 flights · limited
- Mondays80% on time · p90 65 min · 231 flights
- Sundays79% on time · p90 35 min · 224 flights
- Thursdays78% on time · p90 55 min · 224 flights
- Saturdays77% on time · p90 45 min · 187 flights · limited
- Fridays71% on time · p90 70 min · 231 flights
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