No clear winner: United’s STL → IAH flights land within a few points of 84% on time whatever the hour.
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 6213flown by Mesa | STL 11:10 | IAH 13:25 | 85% |
All 6 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 6283flown by Mesa | STL 06:14 | IAH 08:31 | 2h 17m | 68 | 85% | 0.0% | 70 min |
| UA 4579flown by GoJet | STL 08:35 | IAH 10:50 | 2h 15m | 30 | 93% | 0.0% | 44 min |
| UA 4028flown by Mesa | STL 08:35 | IAH 10:52 | 2h 17m | 90 | 84% | 2.2% | 52 min |
| UA 6213flown by Mesa | STL 11:10 | IAH 13:25 | 2h 15m | 245 | 85% | 0.4% | 67 min |
| UA 5580flown by SkyWest | STL 14:57 | IAH 17:16 | 2h 19m | 50 | 64% | 0.0% | 82 min |
| UA 6284flown by Mesa | STL 18:30 | IAH 20:50 | 2h 20m | 40 | 75% | 0.0% | 59 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 | STL | IAH | 2h 19m | 84% | 1.0% | 1,260 | 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