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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 7–8 am: 4Close ×
B6 2380 IAH 07:24 FLL 10:47 2h 23m 22 30% 9.1% 59 min
UA 1966 IAH 07:25 MIA 11:12 2h 47m 153 89% 0.7% 61 min
UA 2261 IAH 07:35 FLL 11:22 2h 47m 239 94% 0.4% 54 min
AA 1347 IAH 07:35 MIA 11:20 2h 45m 361 87% 0.8% 153 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