San Juan (SJU) to Houston (IAH) flights
United Airlines flies nonstop from Luis Munoz Marin International Airport to George Bush Intercontinental Airport, with about 21 flights a week in July 2026. The 2,007-mile flight takes about 4h 47m gate to gate.
- Distance
- 2,007 mi · 3,230 km
- Flight time
- 4h 47m
- Airlines
- 1
- Seats filled
- 90%
Airlines flying SJU to IAH
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 21 | Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737 MAX 8 | 142,936 | 4h 47m |
| Spirit AirlinesCeased operations 2026-05-02 | n/a | Airbus A321, Airbus A320-100/200, Airbus A320neo | 9,825 | 4h 47m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SJU to IAH flight schedule
3 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 2:05am and the last at 2:20pm. 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) |
|---|---|---|---|---|
| UA 2495United Airlines | 2:05am | 6:01am | 11 | 95% |
| UA 1644United Airlines | 7:00am | 10:45am | 31 | 96% |
| UA 668United Airlines | 2:20pm | 6:08pm | 31 | 81% |
Is SJU to IAH on time?
From September 2025 to August 2026, 89% of 909 flights arrived within 15 minutes of schedule and 0.6% were cancelled. Flights leaving around 7am were the most punctual (97%), those around 3pm the least (77%). Most delay time was caused by late-arriving aircraft (52%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 864 | 90% | 6 min | 0.5% |
| Spirit Airlines | 45 | 73% | 23 min | 2.2% |
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 |
|---|---|---|---|
| 2am to 3am | 82 | 95% | |
| 6am to 7am | 46 | 91% | |
| 7am to 8am | 336 | 97% | |
| 10am to 11am | 43 | 95% | |
| 2pm to 3pm | 239 | 82% | |
| 3pm to 4pm | 135 | 77% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 95 | 16,646 | |
| September 2025 | 68 | 11,827 | |
| October 2025 | 72 | 11,563 | |
| November 2025 | 69 | 10,761 | |
| December 2025 | 91 | 13,898 | |
| January 2026 | 79 | 13,375 | |
| February 2026 | 66 | 11,006 | |
| March 2026 | 76 | 12,540 | |
| April 2026 | 61 | 9,517 | |
| May 2026 | 72 | 11,631 | |
| June 2026 | 90 | 14,474 | |
| July 2026 | 93 | 15,709 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.