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5,602 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 64%.

Best time to leave 5–6 am 96% arrive on time from DEN
Best single flight DL 341 DEN 05:45 → ATL 10:42 · 94% on time Avoid UA 1305 DEN 17:48 → ATL 22:57 · 72% 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
23
DEN
96
91
93
94
84
81
81
84
79
72
71
73
70
39
32
55
% 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.
Delta 2,810 86% 1.2% 63 min
United 941 78% 0.4% 64 min
Frontier 775 78% 0.8% 62 min
Southwest 1,076 66% 0.7% 54 min

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.
DL 341 DEN 05:45 ATL 10:42 94%
DL 431 DEN 07:15 ATL 12:12 93%
DL 302 DEN 00:40 ATL 05:42 92%
F9 3294 DEN 06:30 ATL 11:38 88%
DL 995 DEN 12:25 ATL 17:26 86%
· · ·
UA 1671 DEN 13:26 ATL 18:30 79%
F9 3600 DEN 09:58 ATL 15:09 75%
UA 1305 DEN 17:48 ATL 22:57 72%

All 21 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.
DL 302 DEN 00:40 ATL 05:42 3h 02m 173 92% 1.2% 52 min
DL 341 DEN 05:45 ATL 10:42 2h 57m 365 94% 0.8% 89 min
F9 3294 DEN 06:30 ATL 11:38 3h 08m 295 88% 0.0% 60 min
DL 431 DEN 07:15 ATL 12:12 2h 57m 365 93% 1.6% 90 min
DL 2235 DEN 09:40 ATL 14:35 2h 56m 261 86% 0.8% 44 min
F9 3600 DEN 09:58 ATL 15:09 3h 10m 331 75% 0.6% 61 min
UA 2424 DEN 10:00 ATL 15:10 3h 10m 226 85% 0.4% 61 min
WN 2258 DEN 10:15 ATL 15:20 3h 00m 58 64% 0.0% 42 min
DL 346 DEN 10:58 ATL 15:54 3h 00m 339 80% 1.2% 51 min
DL 995 DEN 12:25 ATL 17:26 3h 01m 293 86% 1.4% 41 min
DL 824 DEN 13:15 ATL 18:18 3h 03m 55 80% 1.8% 41 min
UA 1671 DEN 13:26 ATL 18:30 3h 04m 200 79% 0.5% 61 min
WN 4176 DEN 14:10 ATL 19:10 3h 00m 16 44% 0.0% 35 min
DL 706 DEN 14:15 ATL 19:20 3h 05m 112 83% 0.9% 55 min
WN 4170 DEN 14:35 ATL 19:30 2h 55m 26 31% 0.0% 56 min
DL 957 DEN 15:15 ATL 20:22 3h 07m 193 85% 0.5% 78 min
DL 564 DEN 16:41 ATL 21:52 3h 11m 31 84% 0.0% 122 min
DL 840 DEN 16:43 ATL 21:54 3h 11m 317 82% 1.9% 81 min
UA 1305 DEN 17:48 ATL 22:57 3h 09m 363 72% 0.3% 69 min
WN 1472 DEN 19:05 ATL 00:55 3h 00m 58 12% 0.0% 68 min
F9 1450 DEN 23:46 ATL 05:02 3h 16m 148 65% 2.0% 64 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.
Delta DEN ATL 3h 00m 86% 1.2% 2,810 Flying now
United DEN ATL 3h 04m 78% 0.4% 941 Flying now
Frontier DEN ATL 3h 10m 78% 0.8% 775 Flying now
Southwest DEN ATL 2h 50m 66% 0.7% 1,076 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