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

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

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 4 in 5.

Best time to leave 9–10 am 94% arrive on time from DTW

Best single flight UA 6251 DTW 10:55 → IAH 12:57 · 87% 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).

DTW

% 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 6251flown by Mesa	DTW 10:55	IAH 12:57	87%

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 1229	DTW 06:15	IAH 08:11	2h 56m	34	97%	0.0%	16 min
UA 1114	DTW 06:15	IAH 08:11	2h 56m	35	80%	0.0%	33 min
UA 6251flown by Mesa	DTW 10:55	IAH 12:57	3h 02m	279	87%	0.4%	78 min
UA 4032flown by Mesa	DTW 18:40	IAH 20:50	3h 10m	61	77%	0.0%	42 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	DTW	IAH	3h 19m	85%	0.4%	968	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