Leave before 9 am: 94% depart on time. After 4 pm it’s 83%.
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.
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 4255flown by CommuteAir | ECP 06:30 | IAH 08:28 | 1h 58m | 71 | 90% | 0.0% | 68 min |
| UA 4034flown by Mesa | ECP 09:00 | IAH 10:57 | 1h 57m | 55 | 87% | 0.0% | 78 min |
| UA 4819flown by CommuteAir | ECP 09:00 | IAH 10:59 | 1h 59m | 10 | 90% | 0.0% | 21 min |
| UA 4851flown by CommuteAir | ECP 11:40 | IAH 13:40 | 2h 00m | 155 | 83% | 0.6% | 72 min |
| UA 4352flown by CommuteAir | ECP 14:26 | IAH 16:30 | 2h 04m | 161 | 79% | 0.6% | 103 min |
| UA 4842flown by CommuteAir | ECP 17:05 | IAH 19:10 | 2h 05m | 105 | 71% | 0.0% | 83 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 | ECP | IAH | 2h 05m | 85% | 0.7% | 1,282 | 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