FlightRecord

Los Angeles (LAX) to Pittsburgh (PIT): On-Time Performance

Data through July 2026

Los Angeles (LAX) to Pittsburgh (PIT) effectively runs on two schedules. In April 2026, 94% of arrivals were on time; in July 2025 that fell to 61% — a 33-point seasonal swing. Across the full period the route averages 82% on-time against a national 78%.

On-time
82%
arrived <15 min late
Avg delay
19 min
completed flights
Cancelled
0.9%
Flights/day
1.2
last 12 months
Duration
4h 45m
scheduled
Distance
2,136 mi

Best airline from LAX to PIT

3 airlines flew this route regularly between 2024-07 and 2026-07.

AirlineOn-timeAvg delayCancelledFlights
United Airlinesmost reliable93%7 min0.0%125
American Airlines80%23 min0.2%419
Spirit Airlines78%19 min5.0%100

Monthly on-time trend

Monthly on-time percentage for LAX to PIT flights50%75%100%July 2024: 79% on-time (30 flights)79Jul 2024August 2024: 76% on-time (31 flights)76September 2024: 83% on-time (19 flights)83October 2024: 77% on-time (17 flights)77Oct 2024November 2024: 67% on-time (3 flights)67April 2025: 93% on-time (27 flights)93May 2025: 90% on-time (31 flights)90May 2025June 2025: 80% on-time (30 flights)80July 2025: 61% on-time (31 flights)61August 2025: 88% on-time (25 flights)88Aug 2025September 2025: 88% on-time (25 flights)88October 2025: 77% on-time (30 flights)77November 2025: 68% on-time (31 flights)68Nov 2025December 2025: 69% on-time (29 flights)69January 2026: 73% on-time (23 flights)73February 2026: 71% on-time (14 flights)71Feb 2026March 2026: 88% on-time (16 flights)88April 2026: 94% on-time (54 flights)94May 2026: 93% on-time (57 flights)93May 2026June 2026: 85% on-time (60 flights)85July 2026: 82% on-time (61 flights)82

Best time to fly from LAX to PIT

Aim for departures around 8 a.m. (95% on-time); avoid 11 a.m. departures (75%).

On-time percentage by scheduled departure hour, LAX to PIT8 a.m.: 95% on-time (59 flights)89 a.m.: 81% on-time (468 flights)910 a.m.: 80% on-time (20 flights)1011 a.m.: 75% on-time (52 flights)119 p.m.: 84% on-time (42 flights)21scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday81%20 min
Tuesday82%25 min
Wednesdaybest92%13 min
Thursday86%14 min
Friday85%16 min
Saturday68%34 min
Sunday77%16 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft54%
  • Airline operations35%
  • National airspace system11%

Frequently asked questions

How often are flights from LAX to PIT delayed?
18% of LAX–PIT flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 19 minutes.
Which airline is most reliable from LAX to PIT?
United Airlines has the best on-time record on this route at 93%, based on 125 flights. 3 airlines flew LAX–PIT frequently enough to compare in this period.
What is the best time of day to fly from LAX to PIT?
Departures around 8 a.m. have the best record (95% on-time), while departures around 11 a.m. have the worst (75%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from LAX to PIT?
The scheduled LAX–PIT flight time averages 4h 45m over 2,136 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
How often are LAX to PIT flights cancelled?
0.9% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
What is the worst month to fly from LAX to PIT?
July 2025 was the roughest month in this dataset, with only 61% of arrivals on time. The best was April 2026 at 94%. If your dates are flexible, that 33-point gap is worth planning around.

Based on 644 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.