Historical on-time performance
Philadelphia to Birmingham
772 miData through May 2026Source: US DOT · BTS
Flights on PHL–BHM arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay70 min1 in 10 flights is worse (tail risk)
Cancelled2.2%of scheduled flights
based on 446 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- PSA AirlinesOn-time73%Medianon timep9070 minCancel2.2%Flights446
Why flights run late
Delay causes
- Airline32%
- Weather9%
- Air traffic (NAS)17%
- Late aircraft42%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather90%
- Air traffic (NAS)10%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 10 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 PHL → BHM
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 83% on time.
- Middays83% on time · p90 40 min · 938 flights
- Overnights69% on time · p90 70 min · 163 flights · limited
- Evenings66% on time · p90 80 min · 417 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 82% on time.
- Wednesdays82% on time · p90 40 min · 238 flights
- Tuesdays82% on time · p90 40 min · 203 flights
- Mondays78% on time · p90 60 min · 237 flights
- Saturdays78% on time · p90 50 min · 201 flights
- Thursdays77% on time · p90 60 min · 235 flights
- Sundays76% on time · p90 45 min · 232 flights
- Fridays70% on time · p90 75 min · 241 flights
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