Historical on-time performance
Philadelphia to Los Angeles
2,401 miData through Dec 2025Source: US DOT · BTS
Flights on PHL–LAX arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 2,261 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time76%Medianon timep9040 minCancel1.0%Flights2,261
Why flights run late
Delay causes
- Airline36%
- Weather5%
- Air traffic (NAS)25%
- Late aircraft33%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly PHL → LAX
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 64% to 85% on time.
- Mornings85% on time · p90 20 min · 2,212 flights
- Middays83% on time · p90 25 min · 1,761 flights
- Afternoons79% on time · p90 40 min · 1,219 flights
- Evenings66% on time · p90 60 min · 1,806 flights
- Overnights64% on time · p90 60 min · 577 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 82% on time.
- Tuesdays82% on time · p90 30 min · 1,043 flights
- Wednesdays80% on time · p90 30 min · 1,056 flights
- Mondays77% on time · p90 45 min · 1,099 flights
- Saturdays76% on time · p90 40 min · 1,054 flights
- Sundays76% on time · p90 40 min · 1,113 flights
- Thursdays76% on time · p90 40 min · 1,100 flights
- Fridays75% on time · p90 50 min · 1,110 flights
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