Leave before 9 am: 96% depart on time. After 4 pm it’s 78%.
Time of day × airport
Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).
Pick an hour to see this route’s flights leaving then.
Flights, best and worst
Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
| UA 2237 | SAN 11:58 | IAH 17:25 | 79% |
All 7 United flights in the current schedule
Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
| UA 1501 | SAN 06:15 | IAH 11:42 | 3h 27m | 35 | 94% | 0.0% | 58 min |
| UA 2760 | SAN 06:15 | IAH 11:42 | 3h 27m | 37 | 89% | 0.0% | 27 min |
| UA 2165 | SAN 10:13 | IAH 15:40 | 3h 27m | 72 | 89% | 0.0% | 42 min |
| UA 2237 | SAN 11:58 | IAH 17:25 | 3h 27m | 342 | 79% | 0.3% | 61 min |
| UA 618 | SAN 15:10 | IAH 20:31 | 3h 21m | 71 | 66% | 0.0% | 72 min |
| UA 349 | SAN 17:15 | IAH 22:36 | 3h 21m | 29 | 76% | 0.0% | 51 min |
| UA 2015 | SAN 17:15 | IAH 22:36 | 3h 21m | 26 | 73% | 0.0% | 41 min |
Nonstops by airline and airport
Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
| United | SAN | IAH | 3h 18m | 85% | 0.4% | 1,696 | Flying now |
About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON