Boston (BOS) to West Palm Beach/Palm Beach (PBI): On-Time Performance
Data through July 2026
Boston (BOS) to West Palm Beach/Palm Beach (PBI) effectively runs on two schedules. In November 2024, 83% of arrivals were on time; in December 2024 that fell to 53% — a 30-point seasonal swing. Across the full period the route averages 67% on-time against a national 78%. Morning departures also hold up better than evening ones (75% vs 61%), which matters most in the rough months.
- On-time
- 67%
- arrived <15 min late
- Avg delay
- 25 min
- completed flights
- Cancelled
- 2.5%
- Flights/day
- 5.9
- last 12 months
- Duration
- 3h 22m
- scheduled
- Distance
- 1,197 mi
Best airline from BOS to PBI
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 71% | 23 min | 2.1% | 1,234 |
| JetBlue Airways | 65% | 25 min | 2.6% | 3,351 |
Monthly on-time trend
Best time to fly from BOS to PBI
Aim for departures around 8 a.m. (85% on-time); avoid 4 p.m. departures (56%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 63% | 27 min |
| Tuesdaybest | 73% | 18 min |
| Wednesday | 73% | 15 min |
| Thursday | 62% | 27 min |
| Friday | 67% | 23 min |
| Saturday | 71% | 25 min |
| Sunday | 60% | 35 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 operations31%
- National airspace system30%
- Weather4%
Frequently asked questions
- How often are flights from BOS to PBI delayed?
- 33% of BOS–PBI 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 BOS to PBI?
- Delta Air Lines has the best on-time record on this route at 71%, based on 1,234 flights. 2 airlines flew BOS–PBI frequently enough to compare in this period.
- What is the best time of day to fly from BOS to PBI?
- Departures around 8 a.m. have the best record (85% on-time), while departures around 4 p.m. have the worst (56%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BOS to PBI?
- The scheduled BOS–PBI flight time averages 3h 22m over 1,197 miles. Actual arrival times vary — flights on this route land 15+ minutes late 33% of the time.
- How often are BOS to PBI flights cancelled?
- 2.5% 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 PBI?
- December 2024 was the roughest month in this dataset, with only 53% of arrivals on time. The best was November 2024 at 83%. If your dates are flexible, that 30-point gap is worth planning around.
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Based on 4,600 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.