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10,869 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 63%.

Best time to leave 5–6 am 93% arrive on time from FLL
Best airport pair MIA → ORD 72% on time, 2.0% cancelled, 4,450 flights
Best single flight AA 1431 MIA 08:28 → ORD 10:59 · 90% on time Avoid UA 403 FLL 16:20 → ORD 19:00 · 52% 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
21
22
MIA
91
91
90
85
81
79
68
71
67
68
68
63
61
62
60
71
FLL
95
91
93
79
89
89
76
82
68
65
59
67
57
54
67
55
51
52
PBI
91
92
87
78
71
63
68
71
60
% 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.

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 3,112 73% 0.8% 86 min
American 4,654 72% 1.9% 88 min
Frontier 292 71% 2.4% 138 min
Southwest 1,596 70% 1.4% 61 min
Spirit 1,169 62% 4.2% 73 min
JetBlue FLL→ORD only 46 – 6.5% 75 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.
AA 1431 MIA 08:28 ORD 10:59 90%
AA 581 MIA 06:40 ORD 09:08 87%
UA 1755 FLL 12:26 ORD 14:55 87%
UA 1983 MIA 12:30 ORD 15:13 82%
F9 2206 FLL 09:48 ORD 12:24 69%
· · ·
UA 651 FLL 19:37 ORD 22:20 66%
UA 2106 MIA 16:10 ORD 18:53 59%
UA 403 FLL 16:20 ORD 19:00 52%

All 32 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.
WN 1866 FLL 06:10 MDW 08:10 3h 00m 57 96% 0.0% 22 min
AA 581 MIA 06:40 ORD 09:08 3h 28m 179 87% 1.1% 59 min
UA 752 FLL 07:02 ORD 09:30 3h 28m 93 89% 2.2% 31 min
AA 1431 MIA 08:28 ORD 10:59 3h 31m 165 90% 1.2% 118 min
F9 2206 FLL 09:48 ORD 12:24 3h 32m 152 69% 3.3% 105 min
WN 1869 FLL 10:15 MDW 12:15 3h 00m 42 80% 0.0% 44 min
B6 663 FLL 11:00 ORD 13:39 3h 39m 23 71% 4.3% 49 min
AA 811 FLL 12:15 ORD 14:49 3h 34m 30 86% 3.3% 62 min
AA 1851 FLL 12:15 ORD 14:46 3h 31m 22 73% 0.0% 64 min
UA 1335 PBI 12:17 ORD 14:51 3h 34m 35 91% 0.0% 45 min
WN 188 FLL 12:20 MDW 14:20 3h 00m 16 75% 0.0% 57 min
AA 2910 MIA 12:21 ORD 14:57 3h 36m 72 73% 2.8% 133 min
UA 1755 FLL 12:26 ORD 14:55 3h 29m 302 87% 0.0% 76 min
UA 1983 MIA 12:30 ORD 15:13 3h 43m 301 82% 0.3% 77 min
AA 2269 PBI 13:05 ORD 15:29 3h 28m 72 78% 0.0% 92 min
AA 2247 MIA 14:37 ORD 17:18 3h 42m 72 67% 0.0% 132 min
WN 2930 MIA 15:15 MDW 17:25 3h 10m 57 54% 0.0% 82 min
UA 312 PBI 15:58 ORD 18:32 3h 34m 37 62% 0.0% 93 min
UA 2106 MIA 16:10 ORD 18:53 3h 43m 336 59% 0.6% 92 min
UA 533 PBI 16:14 ORD 18:47 3h 33m 54 48% 1.9% 98 min
UA 403 FLL 16:20 ORD 19:00 3h 40m 249 52% 0.0% 86 min
AA 3056 MIA 17:00 ORD 19:53 3h 53m 149 60% 2.0% 83 min
AA 2440 FLL 17:28 ORD 19:59 3h 43m 72 32% 0.0% 111 min
UA 2311 MIA 17:32 ORD 20:13 3h 41m 36 34% 2.8% 78 min
UA 2798 MIA 17:39 ORD 20:22 3h 43m 35 69% 0.0% 86 min
WN 1870 FLL 18:20 MDW 20:25 3h 05m 49 39% 2.0% 66 min
AA 2275 PBI 18:54 ORD 21:29 3h 36m 72 69% 6.9% 84 min
AA 3304 MIA 19:21 ORD 22:01 3h 40m 72 49% 1.4% 85 min
UA 651 FLL 19:37 ORD 22:20 3h 43m 161 66% 0.6% 72 min
AA 1881 MIA 20:54 ORD 23:30 3h 34m 77 53% 3.9% 65 min
B6 863 FLL 21:05 ORD 23:44 3h 39m 23 48% 8.7% 89 min
AA 2323 MIA 21:50 ORD 00:26 3h 36m 72 63% 4.2% 125 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 FLL ORD 3h 32m 76% 0.7% 1,510 Flying now
American MIA ORD 3h 31m 73% 1.9% 3,017 Flying now
Southwest FLL MDW 3h 10m 72% 1.3% 1,124 Flying now
United MIA ORD 3h 39m 72% 1.0% 1,070 Flying now
American FLL ORD 3h 31m 70% 1.4% 841 Flying now
American PBI ORD 3h 25m 70% 2.4% 796 Flying now
Southwest MIA MDW 3h 15m 68% 1.6% 439 Flying now
Frontier FLL ORD 3h 38m 67% 2.7% 182 Flying now
United PBI ORD 3h 27m 67% 0.8% 532 Flying now
JetBlue FLL ORD 3h 39m 60% 6.5% 46 Flying now
Frontier MIA MDW 3h 27m 79% 1.6% 64 Not flying now
Frontier MIA ORD 3h 38m 73% 2.2% 46 Not flying now
Spirit MIA ORD 3h 25m 65% 6.6% 317 Not flying now
Spirit FLL ORD 3h 22m 61% 3.3% 852 Not flying now
Southwest FLL ORD 3h 35m 45%few flights 3.0% 33 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