San Antonio (SAT) to San Juan (SJU) flights
There were no regular nonstop flights from SAT to SJU in July 2026; the route was flown 52 times in the previous 12 months. The 2,181-mile flight takes about 4h 28m gate to gate.
- Distance
- 2,181 mi · 3,510 km
- Flight time
- 4h 28m
- Airlines
- 1
- Seats filled
- 73%
Airlines flying SAT to SJU
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 7,609 | 4h 28m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
Is SAT to SJU on time?
From September 2025 to August 2026, 91% of 44 flights arrived within 15 minutes of schedule and 0% were cancelled. Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (58%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Spirit Airlines | 44 | 91% | 7 min | 0% |
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
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 9 | 1,303 | |
| September 2025 | 9 | 1,035 | |
| October 2025 | 8 | 1,014 | |
| November 2025 | 9 | 1,191 | |
| December 2025 | 14 | 2,412 | |
| January 2026 | 3 | 654 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.