Best Time to Fly RSW to BOS: On-Time Stats by Hour & Airline
Southwest Florida International → Logan International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 70.4% of Fort Myers (RSW) to Boston (BOS) flights arrived on time (2,194 scheduled flights). That is 7.3 points below the national average of 77.6%.
Delta Air Lines was the most punctual of the 3 airlines on the route at 76.0%, while Spirit Airlines trailed at 34.3%.
November has been the best month (81% on time) and Sunday the weakest day of the week (69%).
2.8% of flights were cancelled, versus 1.8% nationally.
RSW to BOS on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Lines | 76.0% | 78 min | 1.3% | 552 |
| JetBlue | 69.9% | 86 min | 2.9% | 1,566 |
| Spirit Airlines | 34.3% | 72 min | 11.8% | 76 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly RSW to BOS
On-time arrival % by scheduled departure hour (local time), 4,670 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 2 | |
| 6am–7am | 91.0% | 2.3% | 342 |
| 7am–8am | 91.9% | 1.2% | 336 |
| 8am–9am | 91.5% | 5.0% | 161 |
| 9am–10am | 87.9% | 2.1% | 93 |
| 10am–11am | 80.7% | 2.4% | 494 |
| 11am–12pm | 74.5% | 0.9% | 776 |
| 12pm–1pm | 67.1% | 0.9% | 328 |
| 1pm–2pm | 58.6% | 0.6% | 158 |
| 2pm–3pm | 64.2% | 4.9% | 144 |
| 3pm–4pm | 61.6% | 3.3% | 210 |
| 4pm–5pm | 62.1% | 4.1% | 121 |
| 5pm–6pm | 62.2% | 2.6% | 190 |
| 6pm–7pm | 62.0% | 1.3% | 229 |
| 7pm–8pm | 61.4% | 3.5% | 519 |
| 8pm–9pm | 62.9% | 4.6% | 498 |
| 9pm–10pm | 70.2% | 1.4% | 69 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on RSW to BOS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 77.7% | +4.0 pts | 2.8% | 106 |
| Christmas & New Year (Dec 20 - Jan 3) | 57.8% | -15.9 pts | 2.1% | 288 |
| Summer peak (Jun 15 - Aug 15) | 69.3% | -4.4 pts | 3.5% | 487 |
| All other days | 73.7% | — | 2.3% | 3,789 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).