Historical on-time performance
Pittsburgh to Los Angeles
2,136 miData through Dec 2025Source: US DOT · BTS
Flights on PIT–LAX arrive on time 67% of the time over the last 12 months.
On-time rate67%arrived within 15 min
p90 delay130 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 153 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time67%Medianon timep90130 minCancel0.0%Flights153
Why flights run late
Delay causes
- Airline32%
- Weather5%
- Air traffic (NAS)7%
- Late aircraft56%
- 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 PIT → LAX
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 80% on time.
- Mornings80% on time · p90 35 min · 110 flights · limited
- Evenings70% on time · p90 55 min · 655 flights
- Overnights65% on time · p90 90 min · 100 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 78% on time.
- Thursdays78% on time · p90 35 min · 132 flights · limited
- Mondays74% on time · p90 70 min · 136 flights · limited
- Saturdays73% on time · p90 70 min · 124 flights · limited
- Wednesdays71% on time · p90 40 min · 112 flights · limited
- Tuesdays69% on time · p90 55 min · 108 flights · limited
- Fridays66% on time · p90 60 min · 133 flights · limited
- Sundays66% on time · p90 85 min · 134 flights · limited
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