Miami (MIA) to San Juan (SJU) flights
American Airlines, Frontier Airlines fly nonstop from Miami International Airport to Luis Munoz Marin International Airport, with about 49 flights a week in July 2026. The 1,045-mile flight takes about 2h 34m gate to gate.
- Distance
- 1,045 mi · 1,682 km
- Flight time
- 2h 34m
- Airlines
- 2
- Seats filled
- 91%
Airlines flying MIA to SJU
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| American Airlines | 42 | Boeing 737-800, Airbus A321, Boeing 737 MAX 8 | 359,466 | 2h 34m |
| Frontier Airlines | 7 | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 64,794 | 2h 36m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A321, Airbus A320-100/200, Airbus A320neo | 23,919 | 2h 31m |
| Envoy AirSeasonal or ended | n/a | Embraer E175 | 730 | 3h 41m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MIA to SJU flight schedule
13 flight numbers flew this route in August 2026, 7 of them almost daily. The first usually leaves at 7:00am and the last at 9:33pm. 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 1780American Airlines | 7:00am | 9:43am | 27 | 96% |
| AA 3001American Airlines | 7:02am | 9:45am | 4 | 95% |
| AA 2582American Airlines | 8:20am | 11:04am | 4 | 92% |
| AA 1613American Airlines | 9:55am | 12:40pm | 27 | 84% |
| AA 2584American Airlines | 11:17am | 2:12pm | 4 | 90% |
| AA 1341American Airlines | 11:45am | 2:38pm | 27 | 87% |
| AA 2581American Airlines | 1:03pm | 3:47pm | 4 | 82% |
| AA 967American Airlines | 1:25pm | 4:11pm | 27 | 64% |
| AA 3165American Airlines | 3:40pm | 6:24pm | 4 | 70% |
| AA 1852American Airlines | 3:47pm | 6:33pm | 27 | 74% |
| AA 1689American Airlines | 7:11pm | 9:55pm | 27 | 86% |
| AA 1364American Airlines | 7:16pm | 9:59pm | 4 | 66% |
| F9 3378Frontier Airlines | 9:33pm | 12:28am | 31 | 71% |
Is MIA to SJU on time?
From September 2025 to August 2026, 76% of 2,645 flights arrived within 15 minutes of schedule and 0.9% were cancelled. Flights leaving around 7am were the most punctual (94%), those around 9pm the least (63%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (42%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 2,140 | 78% | 16 min | 0.5% |
| Frontier Airlines | 381 | 72% | 23 min | 1.3% |
| Spirit Airlines | 124 | 56% | 45 min | 5.6% |
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 |
|---|---|---|---|
| 6am to 7am | 171 | 92% | |
| 7am to 8am | 179 | 94% | |
| 8am to 9am | 327 | 90% | |
| 9am to 10am | 176 | 87% | |
| 10am to 11am | 124 | 81% | |
| 11am to 12pm | 118 | 87% | |
| 12pm to 1pm | 237 | 66% | |
| 1pm to 2pm | 170 | 73% | |
| 2pm to 3pm | 210 | 70% | |
| 3pm to 4pm | 296 | 71% | |
| 5pm to 6pm | 58 | 60% | |
| 6pm to 7pm | 86 | 64% | |
| 7pm to 8pm | 151 | 64% | |
| 8pm to 9pm | 79 | 69% | |
| 9pm to 10pm | 165 | 63% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 212 | 35,079 | |
| September 2025 | 170 | 29,503 | |
| October 2025 | 180 | 32,026 | |
| November 2025 | 213 | 36,968 | |
| December 2025 | 256 | 45,049 | |
| January 2026 | 243 | 39,608 | |
| February 2026 | 212 | 36,418 | |
| March 2026 | 278 | 46,055 | |
| April 2026 | 234 | 38,730 | |
| May 2026 | 214 | 37,424 | |
| June 2026 | 214 | 36,226 | |
| July 2026 | 218 | 36,111 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.