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Showing United only (incl. its regional partners)All airlines ×
1,070 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 7–8 am 90% arrive on time from MIA
Best single flight UA 1983 MIA 12:30 → ORD 15:13 · 82% on time Avoid UA 2106 MIA 16:10 → ORD 18:53 · 59% 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).

7
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MIA
92
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84
72
72
70
% 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.

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 1983 MIA 12:30 ORD 15:13 82%
UA 2106 MIA 16:10 ORD 18:53 59%

All 4 United 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.
UA 1983 MIA 12:30 ORD 15:13 3h 43m 301 82% 0.3% 77 min
UA 2106 MIA 16:10 ORD 18:53 3h 43m 336 59% 0.6% 92 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

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 MIA ORD 3h 39m 72% 1.0% 1,070 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