San Juan (SJU) to San Antonio (SAT) flights
There were no regular nonstop flights from SJU to SAT in July 2026; the route was flown 50 times in the previous 12 months. The 2,181-mile flight takes about 5h 0m gate to gate.
- Distance
- 2,181 mi · 3,510 km
- Flight time
- 5h 0m
- Airlines
- 1
- Seats filled
- 73%
Airlines flying SJU to SAT
| 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 | 7,322 | 5h 0m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
Is SJU to SAT on time?
From September 2025 to August 2026, 93% of 43 flights arrived within 15 minutes of schedule and 2.3% were cancelled. Flights leaving around 10am were the most punctual (100%), those around 6am the least (86%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (79%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Spirit Airlines | 43 | 93% | 5 min | 2.3% |
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
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 9 | 1,611 | |
| September 2025 | 9 | 1,217 | |
| October 2025 | 8 | 1,099 | |
| November 2025 | 9 | 1,129 | |
| December 2025 | 12 | 1,587 | |
| January 2026 | 3 | 679 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.