Boston (BOS) to Miami (MIA) flights
American Airlines, Delta Air Lines fly nonstop from Boston Logan International Airport to Miami International Airport, with about 59 flights a week in July 2026. The 1,258-mile flight takes about 3h 31m gate to gate.
- Distance
- 1,258 mi · 2,025 km
- Flight time
- 3h 31m
- Airlines
- 2
- Seats filled
- 86%
Airlines flying BOS to MIA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| American Airlines | 45 | Boeing 737-800, Airbus A321, Boeing 737 MAX 8 | 348,269 | 3h 29m |
| Delta Air Lines | 13 | Boeing 737-800, Boeing 737-900ER, Airbus A321 | 117,559 | 3h 34m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A321, Airbus A320-100/200, Airbus A320neo | 28,050 | 3h 33m |
| JetBlueSeasonal or ended | n/a | Airbus A220-300, Airbus A320-100/200 | 4,121 | 3h 27m |
| Republic AirlineSeasonal or ended | n/a | Embraer E175 | 1,439 | 3h 59m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BOS to MIA flight schedule
14 flight numbers flew this route in August 2026, 9 of them almost daily. The first usually leaves at 5:00am and the last at 6:00pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| AA 1418American Airlines | 5:00am | 8:24am | 31 | 96% |
| AA 873American Airlines | 6:00am | 9:30am | 4 | 90% |
| AA 1569American Airlines | 6:06am | 9:35am | 20 | 90% |
| AA 1259American Airlines | 7:20am | 10:49am | 30 | 89% |
| DL 1399Delta Air Lines | 7:20am | 10:52am | 31 | 84% |
| AA 815American Airlines | 10:56am | 2:30pm | 4 | 86% |
| AA 2980American Airlines | 11:09am | 2:43pm | 27 | 93% |
| AA 2247American Airlines | 2:02pm | 5:39pm | 24 | 72% |
| AA 1565American Airlines | 3:15pm | 6:58pm | 4 | 65% |
| DL 776Delta Air Lines | 3:20pm | 7:03pm | 31 | 63% |
| AA 1147American Airlines | 3:21pm | 7:00pm | 27 | 70% |
| AA 4341American Airlines · operated by Republic Airline | 5:13pm | 9:00pm | 4 | n/a |
| AA 1562American Airlines | 5:55pm | 9:35pm | 4 | 75% |
| AA 2940American Airlines | 6:00pm | 9:40pm | 27 | 74% |
Is BOS to MIA on time?
From September 2025 to August 2026, 78% of 3,368 flights arrived within 15 minutes of schedule and 2.2% were cancelled. Flights leaving around 5am were the most punctual (95%), those around 3pm the least (65%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (38%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 2,296 | 82% | 15 min | 1.7% |
| Delta Air Lines | 892 | 72% | 23 min | 2.6% |
| Spirit Airlines | 176 | 55% | 37 min | 6.3% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 5am to 6am | 365 | 95% | |
| 6am to 7am | 324 | 94% | |
| 7am to 8am | 523 | 87% | |
| 8am to 9am | 223 | 87% | |
| 10am to 11am | 240 | 81% | |
| 12pm to 1pm | 252 | 77% | |
| 1pm to 2pm | 73 | 70% | |
| 2pm to 3pm | 115 | 64% | |
| 3pm to 4pm | 493 | 65% | |
| 4pm to 5pm | 99 | 57% | |
| 5pm to 6pm | 111 | 60% | |
| 6pm to 7pm | 338 | 69% | |
| 7pm to 8pm | 123 | 63% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 287 | 43,722 | |
| September 2025 | 223 | 32,359 | |
| October 2025 | 249 | 39,298 | |
| November 2025 | 254 | 37,729 | |
| December 2025 | 272 | 42,733 | |
| January 2026 | 284 | 41,531 | |
| February 2026 | 290 | 46,203 | |
| March 2026 | 316 | 48,898 | |
| April 2026 | 333 | 47,047 | |
| May 2026 | 278 | 39,018 | |
| June 2026 | 263 | 38,640 | |
| July 2026 | 260 | 42,260 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.