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12,162 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am from Hobby: 93% depart on time. After 4 pm it’s 2 in 3.

Best time to leave 6–7 am 92% arrive on time from HOU, 91% arrive on time from IAH
Best airport pair HOU → DAL 82% on time, fewest cancelled (2.2%), 4,047 flights
Best single flight WN 1636 HOU 06:00 → DAL 07:05 · 95% on time Avoid UA 1439 IAH 16:20 → DFW 17:46 · 70% 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).

% 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
Dallas flights leaving HOU 4–5 pm: 3Close ×
WN 40 HOU 16:00 DAL 17:10 1h 10m 207 75% 0.5% 59 min
AA 5002flown by SkyWest HOU 16:14 DFW 17:38 1h 24m 46 60% 2.2% 309 min
WN 42 HOU 16:30 DAL 17:40 1h 10m 95 83% 2.1% 72 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.

Southwest HOU→DAL only 4,047 82% 2.2% 61 min
United (incl. SkyWest, Mesa) IAH→DFW only 2,794 77% 1.4% 76 min
American (incl. Envoy, PSA, SkyWest) 5,321 76% 3.6% 113 min

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.

WN 1636 HOU 06:00 DAL 07:05 95%
WN 4 HOU 07:00 DAL 08:10 94%
WN 16 HOU 10:25 DAL 11:35 91%
AA 700 IAH 06:02 DFW 07:28 90%
AA 2551 IAH 05:02 DFW 06:19 90%
· · ·
UA 1949 IAH 19:59 DFW 21:25 71%
UA 1535 IAH 18:05 DFW 19:31 71%
UA 1439 IAH 16:20 DFW 17:46 70%
All 55 flights on this route →

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.

Southwest HOU DAL 1h 10m 82% 2.2% 4,047 Flying now
American HOU DFW 1h 26m 78% 4.1% 2,001 Flying now
United IAH DFW 1h 25m 77% 1.4% 2,794 Flying now
American IAH DFW 1h 28m 75% 3.3% 3,320 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