Leave before 9 am from Palm Beach or Fort Lauderdale: 94% depart on time. After 4 pm it’s 64%.
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.
Airlines on this route
Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
| United (incl. Mesa) | 3,805 | 87% | 0.6% | 88 min |
| American (incl. Envoy, Republic) MIA→IAH only | 1,689 | 73% | 1.1% | 72 min |
| Southwest | 1,101 | 72% | 0.8% | 56 min |
| Spirit | 1,163 | 71% | 2.2% | 79 min |
| Frontier | 310 | 69% | 3.5% | 81 min |
| JetBlue FLL→IAH only | 69 | – | 4.3% | 66 min |
Dimmed: fewer than 150 flights in the year, too few to rank.
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.
All 27 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.
| WN 1861 | FLL 05:00 | HOU 06:30 | 2h 30m | 58 | 83% | 0.0% | 83 min |
| WN 2927 | MIA 05:10 | HOU 06:45 | 2h 35m | 88 | 81% | 0.0% | 92 min |
| UA 2074 | MIA 06:30 | IAH 08:24 | 2h 54m | 86 | 95% | 0.0% | 30 min |
| UA 2606 | MIA 06:30 | IAH 08:24 | 2h 54m | 16 | 100% | 0.0% | – |
| F9 1067 | MIA 06:30 | IAH 08:24 | 2h 54m | 170 | 85% | 3.5% | 91 min |
| UA 2314 | FLL 07:00 | IAH 08:45 | 2h 45m | 255 | 97% | 0.8% | 76 min |
| AA 603 | MIA 07:00 | IAH 08:50 | 2h 50m | 60 | 83% | 1.7% | 55 min |
| AA 3904flown by Envoy | MIA 08:40 | IAH 10:34 | 2h 54m | 14 | 100% | 0.0% | – |
| AA 1918 | MIA 08:41 | IAH 10:29 | 2h 51m | 71 | 79% | 0.0% | 47 min |
| UA 2417 | MIA 08:48 | IAH 10:42 | 2h 54m | 61 | 85% | 1.6% | 57 min |
| UA 722 | FLL 09:00 | IAH 10:45 | 2h 45m | 252 | 90% | 0.4% | 65 min |
| B6 2179 | FLL 09:45 | IAH 11:47 | 3h 02m | 23 | 81% | 4.3% | 41 min |
| UA 470 | MIA 12:29 | IAH 14:23 | 2h 54m | 170 | 87% | 0.6% | 135 min |
| F9 1495 | FLL 12:56 | IAH 14:50 | 2h 54m | 127 | 49% | 3.1% | 79 min |
| UA 2162 | FLL 13:10 | IAH 15:00 | 2h 50m | 255 | 84% | 0.0% | 80 min |
| B6 2379 | FLL 13:45 | IAH 15:47 | 3h 02m | 23 | 73% | 4.3% | 103 min |
| UA 2724 | FLL 15:14 | IAH 17:10 | 2h 56m | 18 | 78% | 0.0% | 90 min |
| AA 1931 | MIA 15:30 | IAH 17:22 | 2h 52m | 72 | 59% | 1.4% | 71 min |
| UA 1216 | MIA 16:53 | IAH 18:56 | 3h 03m | 274 | 74% | 0.4% | 90 min |
| UA 1696 | FLL 17:00 | IAH 18:56 | 2h 56m | 277 | 79% | 0.4% | 82 min |
| UA 1752 | PBI 17:05 | IAH 18:59 | 2h 54m | 208 | 68% | 0.5% | 91 min |
| WN 4230 | FLL 17:35 | HOU 19:15 | 2h 40m | 12 | 42% | 0.0% | 103 min |
| UA 2474 | FLL 19:13 | IAH 21:09 | 2h 56m | 25 | 88% | 0.0% | 18 min |
| AA 2541 | MIA 19:42 | IAH 21:33 | 2h 51m | 236 | 65% | 1.7% | 80 min |
| WN 4583 | FLL 20:10 | HOU 21:45 | 2h 35m | 57 | 30% | 1.8% | 59 min |
| B6 2779 | FLL 21:00 | IAH 23:02 | 3h 02m | 23 | 45% | 4.3% | 56 min |
| AA 2230 | MIA 22:15 | IAH 23:59 | 2h 44m | 362 | 70% | 1.7% | 69 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 | FLL | IAH | 2h 58m | 88% | 0.7% | 1,830 | Flying now |
| United | MIA | IAH | 3h 00m | 87% | 0.4% | 1,468 | Flying now |
| Frontier | MIA | IAH | 2h 54m | 83% | 4.0% | 176 | Flying now |
| United | PBI | IAH | 3h 01m | 82% | 1.2% | 507 | Flying now |
| Southwest | MIA | HOU | 2h 50m | 73% | 0.7% | 290 | Flying now |
| American | MIA | IAH | 2h 58m | 73% | 1.1% | 1,689 | Flying now |
| Southwest | FLL | HOU | 2h 50m | 72% | 0.9% | 811 | Flying now |
| JetBlue | FLL | IAH | 3h 02m | 66% | 4.3% | 69 | Flying now |
| Frontier | FLL | IAH | 2h 54m | 50% | 3.0% | 134 | Flying now |
| Spirit | FLL | IAH | 2h 56m | 72% | 1.9% | 783 | Not flying now |
| Spirit | MIA | IAH | 3h 01m | 70% | 2.9% | 380 | Not 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