Showing United only (incl. its regional partners)All airlines ×

1,469 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 7–8 am 91% arrive on time from IAH

Best single flight UA 1966 IAH 07:25 → MIA 11:12 · 89% on time Avoid UA 410 IAH 12:00 → MIA 15:47 · 84% on time

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).

IAH

% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

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 1966	IAH 07:25	MIA 11:12	89%
UA 410	IAH 12:00	MIA 15:47	84%

All 4 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 1966	IAH 07:25	MIA 11:12	2h 47m	153	89%	0.7%	61 min
UA 410	IAH 12:00	MIA 15:47	2h 47m	226	84%	0.0%	53 min
UA 2740	IAH 16:50	MIA 20:33	2h 43m	71	75%	0.0%	79 min
UA 1829	IAH 19:01	MIA 22:40	2h 39m	140	78%	0.0%	60 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	IAH	MIA	2h 38m	82%	0.2%	1,469	Flying now

Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

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