83% of flights from Los Angeles to Pittsburgh arrived on time over the past 12 months. That is better than the typical U.S. route. Most reliable airline: United Airlines (93%). 6% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for LAX → PIT: when a flight was late, it was under 45 minutes late 53% of the time. About 1 in 17 flights landed an hour or more late, and 1 in 43 three hours or more; 0.2% were cancelled outright.
- On time or early83%
- 15–30 min late6.5%
- 30–60 min late4.0%
- 1–2 hours late2.6%
- 2–3 hours late0.9%
- 3+ hours late2.3%
- Diverted0.0%
- Cancelled0.2%
Share of all 429 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| American Airlines | 279 | 78% | 0.4% | −11 min | 7.2% | +97 min | American Airlines |
| United Airlines | 150 | 93% | 0.0% | −14 min | 3.3% | +75 min | United Airlines |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at LAX). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | American Airlines | United Airlines |
|---|---|---|
| 9 a.m. | 75% | 92% |
By month
Each calendar month pooled over 2023–2026. Best: April (92%). Worst: July (75%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 64 | — | — |
| Tuesday | 50 | — | — |
| Wednesday | 62 | — | — |
| Thursday | 68 | — | — |
| Friday | 62 | — | — |
| Saturday | 51 | — | — |
| Sunday | 72 | — | — |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: weather 1
Month by month
Not enough months with data to draw a trend.
Questions
How often are flights from LAX to PIT on time?
83% of 429 scheduled flights from Los Angeles, CA to Pittsburgh, PA arrived within 15 minutes of schedule between September 2025 and August 2026. 0.2% were cancelled.
Which airline is most on time from LAX to PIT?
United Airlines: 93% of its 150 flights on the route arrived on time. American Airlines: 78%.
What month has the most delays from LAX to PIT?
July (75% on time). The best month is April (92%), over 2023–2026.
Related
- PIT → LAX (return)
- Los Angeles LAX (LAX) delays by hour
- Flights into Pittsburgh (PIT)
- American Airlines on-time record
- United Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.