Houston (IAH) to Charlotte Amalie (STT) flights
United Airlines flies nonstop from George Bush Intercontinental Airport to Cyril E. King Airport, with about 7 flights a week in July 2026. The 2,070-mile flight takes about 4h 42m gate to gate.
- Distance
- 2,070 mi · 3,331 km
- Flight time
- 4h 42m
- Airlines
- 1
- Seats filled
- 71%
Airlines flying IAH to STT
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 7 | Boeing 737 MAX 8 | 20,236 | 4h 42m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
IAH to STT flight schedule
1 flight numbers flew this route in August 2026. The first usually leaves at 9:52am and the last at 9:52am. 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 1908United Airlines | 9:52am | 3:43pm | 10 | 82% |
Is IAH to STT on time?
From September 2025 to August 2026, 82% of 165 flights arrived within 15 minutes of schedule and 0.6% were cancelled. Flights leaving around 9am were the most punctual (90%), those around 7am the least (65%). Most delay time was caused by air traffic control and airport congestion (62%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 165 | 82% | 8 min | 0.6% |
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
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 17 | 1,401 | |
| September 2025 | 1 | 81 | |
| October 2025 | 5 | 617 | |
| November 2025 | 10 | 1,056 | |
| December 2025 | 8 | 958 | |
| January 2026 | 5 | 490 | |
| February 2026 | 4 | 323 | |
| March 2026 | 24 | 2,031 | |
| April 2026 | 5 | 669 | |
| May 2026 | 31 | 3,840 | |
| June 2026 | 30 | 4,435 | |
| July 2026 | 31 | 4,335 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.