Atlanta (ATL) to San Juan (SJU) flights
Delta Air Lines, Frontier Airlines fly nonstop from Hartsfield Jackson Atlanta International Airport to Luis Munoz Marin International Airport, with about 40 flights a week in July 2026. The 1,547-mile flight takes about 3h 30m gate to gate.
- Distance
- 1,547 mi · 2,490 km
- Flight time
- 3h 30m
- Airlines
- 2
- Seats filled
- 90%
Airlines flying ATL to SJU
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 33 | Boeing 757-200, Boeing 737-900ER, Airbus A321 | 287,050 | 3h 29m |
| Frontier Airlines | 7 | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 70,021 | 3h 37m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A320-100/200, Airbus A320neo, Airbus A321 | 12,951 | 3h 26m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ATL to SJU flight schedule
5 flight numbers flew this route in August 2026, 5 of them almost daily. The first usually leaves at 8:05am and the last at 6:45pm. 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) |
|---|---|---|---|---|
| DL 1757Delta Air Lines | 8:05am | 11:46am | 31 | 88% |
| DL 1882Delta Air Lines | 9:55am | 1:42pm | 31 | 77% |
| F9 2082Frontier Airlines | 10:25am | 2:16pm | 31 | 58% |
| DL 1946Delta Air Lines | 1:00pm | 4:38pm | 31 | 82% |
| DL 1861Delta Air Lines | 6:45pm | 10:29pm | 31 | 66% |
Is ATL to SJU on time?
From September 2025 to August 2026, 72% of 2,101 flights arrived within 15 minutes of schedule and 1.3% were cancelled. Flights leaving around 8am were the most punctual (89%), those around 4pm the least (58%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (52%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 1,638 | 77% | 14 min | 0.9% |
| Frontier Airlines | 387 | 57% | 31 min | 1.8% |
| Spirit Airlines | 76 | 30% | 44 min | 7.9% |
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 |
|---|---|---|---|
| 7am to 8am | 45 | 77% | |
| 8am to 9am | 330 | 89% | |
| 9am to 10am | 251 | 78% | |
| 10am to 11am | 423 | 62% | |
| 12pm to 1pm | 106 | 77% | |
| 1pm to 2pm | 284 | 81% | |
| 4pm to 5pm | 235 | 58% | |
| 6pm to 7pm | 245 | 68% | |
| 7pm to 8pm | 120 | 60% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 155 | 26,866 | |
| September 2025 | 129 | 23,288 | |
| October 2025 | 133 | 24,158 | |
| November 2025 | 147 | 24,792 | |
| December 2025 | 189 | 34,305 | |
| January 2026 | 188 | 31,030 | |
| February 2026 | 179 | 31,338 | |
| March 2026 | 223 | 41,382 | |
| April 2026 | 201 | 35,267 | |
| May 2026 | 185 | 33,554 | |
| June 2026 | 174 | 31,483 | |
| July 2026 | 176 | 32,559 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.