Historical on-time performance
Birmingham to Philadelphia
772 miData through May 2026Source: US DOT · BTS
Flights on BHM–PHL arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled2.9%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-time79%Medianon timep9040 minCancel2.9%Flights446
Why flights run late
Delay causes
- Airline20%
- Weather7%
- Air traffic (NAS)6%
- Late aircraft67%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline8%
- Weather92%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 13 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 BHM → PHL
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 15 min · 580 flights
- Middays80% on time · p90 55 min · 528 flights
- Afternoons73% on time · p90 55 min · 472 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 87% on time.
- Tuesdays87% on time · p90 15 min · 209 flights
- Wednesdays85% on time · p90 30 min · 233 flights
- Thursdays85% on time · p90 30 min · 238 flights
- Saturdays78% on time · p90 60 min · 204 flights
- Sundays77% on time · p90 50 min · 229 flights
- Fridays77% on time · p90 55 min · 241 flights
- Mondays75% on time · p90 90 min · 237 flights
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