Best Time to Fly PIT to LAX: On-Time Stats by Hour & Airline
Pittsburgh International → Los Angeles International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 79.9% of Pittsburgh (PIT) to Los Angeles (LAX) flights arrived on time (425 scheduled flights). That is 2.3 points above the national average of 77.6%.
Among 2 airlines, United Airlines led with 86.4% on time and American Airlines was last with 77.2%.
Over 24 months, Thursday was the most reliable day (81% on time) and October the worst month (65%).
The cancellation rate was 0.5% (US average 1.8%).
PIT to LAX on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 86.4% | 123 min | 0.0% | 125 |
| American Airlines | 77.2% | 129 min | 0.7% | 300 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PIT to LAX
On-time arrival % by scheduled departure hour (local time), 614 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 3 | |
| 7am–8am | Limited data | 11 | |
| 8am–9am | Limited data | 1 | |
| 12pm–1pm | Limited data | 1 | |
| 5pm–6pm | 79.5% | 0.5% | 372 |
| 6pm–7pm | 74.0% | 0.0% | 154 |
| 7pm–8pm | Limited data | 22 | |
| 8pm–9pm | 63.3% | 2.0% | 50 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PIT to LAX
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 6 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 13 | ||
| Summer peak (Jun 15 - Aug 15) | 71.4% | -8.1 pts | 1.2% | 170 |
| All other days | 79.6% | — | 0.9% | 425 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).