Boston (BOS) to Pittsburgh (PIT): On-Time Performance
Data through July 2026
Boston (BOS) to Pittsburgh (PIT) effectively runs on two schedules. In October 2024, 91% of arrivals were on time; in July 2026 that fell to 66% — a 25-point seasonal swing. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 67%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 2.2%
- Flights/day
- 5.9
- last 12 months
- Duration
- 1h 58m
- scheduled
- Distance
- 496 mi
Best airline from BOS to PIT
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 82% | 13 min | 2.1% | 2,262 |
| JetBlue Airways | 77% | 17 min | 2.2% | 2,270 |
| Spirit Airlines | 69% | 31 min | 2.2% | 90 |
Monthly on-time trend
Best time to fly from BOS to PIT
Aim for departures around 7 a.m. (90% on-time); avoid 8 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 17 min |
| Tuesdaybest | 84% | 11 min |
| Wednesday | 83% | 12 min |
| Thursday | 75% | 17 min |
| Friday | 76% | 18 min |
| Saturday | 82% | 15 min |
| Sunday | 76% | 19 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft49%
- Airline operations34%
- National airspace system15%
- Weather2%
Frequently asked questions
- How often are flights from BOS to PIT delayed?
- 21% of BOS–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 16 minutes.
- Which airline is most reliable from BOS to PIT?
- Republic Airways has the best on-time record on this route at 82%, based on 2,262 flights. 3 airlines flew BOS–PIT frequently enough to compare in this period.
- What is the best time of day to fly from BOS to PIT?
- Departures around 7 a.m. have the best record (90% on-time), while departures around 8 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BOS to PIT?
- The scheduled BOS–PIT flight time averages 1h 58m over 496 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are BOS to PIT flights cancelled?
- 2.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from BOS to PIT?
- July 2026 was the roughest month in this dataset, with only 66% of arrivals on time. The best was October 2024 at 91%. If your dates are flexible, that 25-point gap is worth planning around.
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Based on 4,622 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.