Boston (BOS) to Fort Myers (RSW): On-Time Performance
Data through May 2026
The calendar drives reliability on BOS–RSW. May 2026 flights landed on schedule 83% of the time, but January 2026 dropped to 57% — a gap of 27 points. Across the full period the route averages 71% on-time against a national 78%. Morning departures also hold up better than evening ones (80% vs 64%), which matters most in the rough months.
- On-time
- 71%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 2.3%
- Flights/day
- 6.3
- last 12 months
- Duration
- 3h 37m
- scheduled
- Distance
- 1,249 mi
Best airline from BOS to RSW
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 76% | 15 min | 1.5% | 1,228 |
| JetBlue Airways | 69% | 21 min | 2.4% | 3,170 |
| Spirit Airlines | 68% | 22 min | 3.5% | 310 |
Monthly on-time trend
Best time to fly from BOS to RSW
Aim for departures around 6 a.m. (84% on-time); avoid 7 p.m. departures (57%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 67% | 23 min |
| Tuesday | 77% | 13 min |
| Wednesdaybest | 78% | 11 min |
| Thursday | 69% | 21 min |
| Friday | 72% | 20 min |
| Saturday | 73% | 19 min |
| Sunday | 63% | 29 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft35%
- Airline operations32%
- National airspace system30%
- Weather3%
Frequently asked questions
- How often are flights from BOS to RSW delayed?
- 29% of BOS–RSW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 20 minutes.
- Which airline is most reliable from BOS to RSW?
- Delta Air Lines has the best on-time record on this route at 76%, based on 1,228 flights. 3 airlines flew BOS–RSW frequently enough to compare in this period.
- What is the best time of day to fly from BOS to RSW?
- Departures around 6 a.m. have the best record (84% on-time), while departures around 7 p.m. have the worst (57%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BOS to RSW?
- The scheduled BOS–RSW flight time averages 3h 37m over 1,249 miles. Actual arrival times vary — flights on this route land 15+ minutes late 29% of the time.
- How often are BOS to RSW flights cancelled?
- 2.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from BOS to RSW?
- January 2026 was the roughest month in this dataset, with only 57% of arrivals on time. The best was May 2026 at 83%. If your dates are flexible, that 27-point gap is worth planning around.
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Based on 4,714 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.