West Palm Beach/Palm Beach (PBI) to Boston (BOS): On-Time Performance
Data through July 2026
West Palm Beach/Palm Beach (PBI) to Boston (BOS) effectively runs on two schedules. In October 2024, 89% of arrivals were on time; in September 2025 that fell to 45% — a 44-point seasonal swing. Across the full period the route averages 70% on-time against a national 78%. Morning departures also hold up better than evening ones (84% vs 58%), which matters most in the rough months.
- On-time
- 70%
- arrived <15 min late
- Avg delay
- 25 min
- completed flights
- Cancelled
- 2.7%
- Flights/day
- 5.9
- last 12 months
- Duration
- 3h 9m
- scheduled
- Distance
- 1,197 mi
Best airline from PBI to BOS
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| JetBlue Airwaysmost reliable | 70% | 23 min | 2.7% | 3,350 |
| Delta Air Lines | 69% | 29 min | 2.7% | 1,234 |
Monthly on-time trend
Best time to fly from PBI to BOS
Aim for departures around 8 a.m. (99% on-time); avoid 5 p.m. departures (51%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 66% | 28 min |
| Tuesday | 75% | 20 min |
| Wednesday | 73% | 20 min |
| Thursday | 64% | 32 min |
| Friday | 71% | 20 min |
| Saturdaybest | 76% | 21 min |
| Sunday | 63% | 33 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft50%
- Airline operations25%
- National airspace system23%
- Weather1%
Frequently asked questions
- How often are flights from PBI to BOS delayed?
- 30% of PBI–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 25 minutes.
- Which airline is most reliable from PBI to BOS?
- JetBlue Airways has the best on-time record on this route at 70%, based on 3,350 flights. 2 airlines flew PBI–BOS frequently enough to compare in this period.
- What is the best time of day to fly from PBI to BOS?
- Departures around 8 a.m. have the best record (99% on-time), while departures around 5 p.m. have the worst (51%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PBI to BOS?
- The scheduled PBI–BOS flight time averages 3h 9m over 1,197 miles. Actual arrival times vary — flights on this route land 15+ minutes late 30% of the time.
- How often are PBI to BOS flights cancelled?
- 2.7% 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 PBI to BOS?
- September 2025 was the roughest month in this dataset, with only 45% of arrivals on time. The best was October 2024 at 89%. If your dates are flexible, that 44-point gap is worth planning around.
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Based on 4,599 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.