Pittsburgh (PIT) to Boston (BOS): On-Time Performance
Data through July 2026
The calendar drives reliability on PIT–BOS. October 2024 flights landed on schedule 92% of the time, but October 2025 dropped to 67% — a gap of 25 points. Across the full period the route averages 80% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 66%), which matters most in the rough months.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 2.4%
- Flights/day
- 5.9
- last 12 months
- Duration
- 1h 46m
- scheduled
- Distance
- 496 mi
Best airline from PIT to BOS
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 84% | 11 min | 2.1% | 2,262 |
| JetBlue Airways | 77% | 19 min | 2.5% | 2,270 |
| Spirit Airlines | 53% | 57 min | 7.8% | 90 |
Monthly on-time trend
Best time to fly from PIT to BOS
Aim for departures around 6 a.m. (92% on-time); avoid 6 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 19 min |
| Tuesday | 83% | 14 min |
| Wednesday | 83% | 9 min |
| Thursday | 75% | 17 min |
| Friday | 78% | 15 min |
| Saturdaybest | 85% | 15 min |
| Sunday | 78% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft36%
- Airline operations22%
- National airspace system39%
- Weather4%
Frequently asked questions
- How often are flights from PIT to BOS delayed?
- 20% of PIT–BOS 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 PIT to BOS?
- Republic Airways has the best on-time record on this route at 84%, based on 2,262 flights. 3 airlines flew PIT–BOS frequently enough to compare in this period.
- What is the best time of day to fly from PIT to BOS?
- Departures around 6 a.m. have the best record (92% on-time), while departures around 6 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PIT to BOS?
- The scheduled PIT–BOS flight time averages 1h 46m over 496 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are PIT to BOS flights cancelled?
- 2.4% 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 PIT to BOS?
- October 2025 was the roughest month in this dataset, with only 67% of arrivals on time. The best was October 2024 at 92%. 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.