Historical on-time performance
Phoenix to Philadelphia
2,075 miData through May 2026Source: US DOT · BTS
Flights on PHX–PHL arrive on time 84% of the time over the last 12 months.
On-time rate84%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled1.7%of scheduled flights
based on 2,317 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time84%Medianon timep9025 minCancel1.7%Flights2,317
Why flights run late
Delay causes
- Airline48%
- Weather2%
- Air traffic (NAS)15%
- Late aircraft35%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline5%
- Weather90%
- Air traffic (NAS)5%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 39 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 PHX → PHL
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 73% to 90% on time.
- Mornings90% on time · p90 10 min · 2,273 flights
- Early mornings89% on time · p90 10 min · 135 flights · limited
- Overnights88% on time · p90 15 min · 1,762 flights
- Evenings84% on time · p90 25 min · 363 flights
- Middays76% on time · p90 35 min · 1,998 flights
- Afternoons73% on time · p90 55 min · 726 flights
Best day of week
Saturdays are the most reliable day to fly this route — 88% on time.
- Saturdays88% on time · p90 15 min · 1,019 flights
- Wednesdays84% on time · p90 25 min · 1,021 flights
- Tuesdays84% on time · p90 20 min · 1,025 flights
- Mondays83% on time · p90 25 min · 1,042 flights
- Thursdays82% on time · p90 25 min · 1,040 flights
- Fridays82% on time · p90 25 min · 1,049 flights
- Sundays82% on time · p90 25 min · 1,061 flights
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