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8,138 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Fly Bush to Palm Beach: 4 in 5 arrive on time, against barely half from Hobby to Miami.

Best time to leave 5–6 am 89% arrive on time from IAH
Best airport pair IAH → PBI 80% on time, 1.0% cancelled, 508 flights
Best single flight UA 2261 IAH 07:35 → FLL 11:22 · 94% on time Avoid UA 1956 IAH 18:26 → FLL 22:04 · 77% 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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
IAH
90
86
88
88
86
79
78
87
70
83
75
77
65
71
69
55
HOU
86
72
72
54
72
43
45
% 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
South Florida flights leaving IAH 9–10 am: 1Close ×
AA 603 IAH 09:40 MIA 13:22 2h 42m 61 75% 1.6% 63 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.
United (incl. Mesa) 3,807 84% 0.5% 61 min
American (incl. Envoy, Republic) IAH→MIA only 1,688 78% 1.2% 108 min
Spirit 1,169 72% 2.3% 78 min
Frontier 309 66% 4.2% 111 min
Southwest 1,097 63% 0.5% 50 min
JetBlue IAH→FLL only 68 – 2.9% 76 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.
UA 2261 IAH 07:35 FLL 11:22 94%
AA 1047 IAH 05:10 MIA 08:51 91%
UA 1966 IAH 07:25 MIA 11:12 89%
AA 1347 IAH 07:35 MIA 11:20 87%
UA 277 IAH 16:35 FLL 20:22 85%
· · ·
UA 410 IAH 12:00 MIA 15:47 84%
UA 1956 IAH 18:26 FLL 22:04 77%
All 30 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 IAH FLL 2h 36m 85% 0.7% 1,830 Flying now
United IAH MIA 2h 38m 82% 0.2% 1,469 Flying now
United IAH PBI 2h 35m 80% 1.0% 508 Flying now
American IAH MIA 2h 38m 78% 1.2% 1,688 Flying now
Frontier IAH MIA 2h 54m 68% 4.0% 175 Flying now
Southwest HOU FLL 2h 20m 67% 0.4% 809 Flying now
Frontier IAH FLL 2h 41m 63% 4.5% 134 Flying now
Southwest HOU MIA 2h 20m 50% 0.7% 288 Flying now
JetBlue IAH FLL 2h 23m 36% 2.9% 68 Flying now
Spirit IAH FLL 2h 28m 73% 1.9% 789 Not flying now
Spirit IAH MIA 2h 33m 70% 3.2% 380 Not 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