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12,170 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am from Love Field: 92% depart on time. After 4 pm it’s 62%.

Best time to leave 6–7 am 94% arrive on time from DAL
Best airport pair DFW → HOU 77% on time, 3.7% cancelled, 2,001 flights
Best single flight UA 2260 DFW 05:10 → IAH 06:22 · 95% on time Avoid AA 2209 DFW 21:10 → IAH 22:24 · 48% on time

Time of day × airport

Share of flights leaving within 15 minutes, by scheduled departure hour: all flights from that airport, wherever they’re going. Blank: fewer than 40 flights.

5
6
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9
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11
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13
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DFW
89
88
85
84
79
79
73
75
70
70
67
69
65
62
63
59
67
61
63
DAL
95
90
90
86
83
77
73
67
70
65
57
53
52
52
50
41
44
% leaving within 15 min, all flights from that airport: 85+75–8465–7455–64under 55

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. SkyWest, Mesa) DFW→IAH only 2,794 78% 1.7% 85 min
Southwest DAL→HOU only 4,053 76% 1.9% 57 min
American (incl. Envoy, PSA, SkyWest) 5,323 69% 3.5% 79 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.
UA 2260 DFW 05:10 IAH 06:22 95%
WN 1628 DAL 06:00 HOU 07:10 93%
WN 1 DAL 07:00 HOU 08:10 92%
WN 15 DAL 10:00 HOU 11:15 90%
UA 539 DFW 11:59 IAH 13:17 85%
· · ·
WN 45 DAL 17:30 HOU 18:45 60%
AA 1392 DFW 18:36 IAH 19:54 50%
AA 2209 DFW 21:10 IAH 22:24 48%
All 54 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.
United DFW IAH 1h 18m 78% 1.7% 2,794 Flying now
American DFW HOU 1h 19m 77% 3.7% 2,001 Flying now
Southwest DAL HOU 1h 15m 76% 1.9% 4,053 Flying now
American DFW IAH 1h 15m 64% 3.3% 3,322 Flying now
Pick a date and this becomes a forecast Coming soon: within 3 days of travel, the same ranking will use that day’s weather and our odds for each flight.

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