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

No clear winner: United’s DEN → JAX flights land within a few points of 82% on time whatever the hour.

Best time to leave 9–10 am 87% arrive on time from DEN
Best single flight UA 1451 DEN 10:05 → JAX 15:39 · 85% on time Avoid UA 1485 DEN 16:07 → JAX 21:40 · 83% 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).

9
10
11
12
13
14
15
16
17
DEN
89
84
87
79
% 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 1451 DEN 10:05 JAX 15:39 85%
UA 1485 DEN 16:07 JAX 21:40 83%

All 2 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 1451 DEN 10:05 JAX 15:39 3h 34m 269 85% 0.0% 57 min
UA 1485 DEN 16:07 JAX 21:40 3h 33m 186 83% 0.0% 60 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 DEN JAX 3h 27m 82% 0.0% 638 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