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4,452 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 86% depart on time. After 4 pm it’s 57%.

Best time to leave 5–6 am 94% arrive on time from ORD
Best single flight AA 2984 ORD 05:00 → MIA 09:09 · 94% on time Avoid AA 1250 ORD 08:30 → MIA 12:43 · 75% 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
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8
9
10
11
12
13
14
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16
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18
19
ORD
75
73
77
72
58
57
% 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
Miami flights leaving ORD 2–3 pm: 1Close ×
AA 3148 ORD 14:24 MIA 18:39 3h 19m 72 51% 1.4% 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.

American 3,017 76% 1.9% 76 min
United 1,071 75% 0.7% 64 min
Spirit 318 61% 6.6% 72 min
Frontier 46 – 2.2% 127 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 2984 ORD 05:00 MIA 09:09 94%
AA 1250 ORD 08:30 MIA 12:43 75%
All 11 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.

American ORD MIA 3h 13m 76% 1.9% 3,017 Flying now
United ORD MIA 3h 20m 75% 0.7% 1,071 Flying now
Frontier ORD MIA 3h 15m 67% 2.2% 46 Not flying now
Spirit ORD MIA 3h 16m 61% 6.6% 318 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