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Sun, Oct 4 has passed, so this is the 12-month record.

5,416 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 62%.

Best time to leave 5–6 am 95% arrive on time from AUS
Best single flight UA 361 AUS 05:39 → DEN 06:58 · 97% on time Avoid DL 3669 AUS 16:49 → DEN 18:14 · 66% 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
AUS
96
93
94
90
88
89
89
86
75
71
70
76
55
56
54
64
66
64
% 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 (incl. SkyWest) 1,921 85% 0.8% 73 min
Frontier 580 84% 0.5% 74 min
Delta (incl. SkyWest) 530 80% 0.6% 73 min
Southwest 2,385 74% 0.5% 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.
UA 361 AUS 05:39 DEN 06:58 97%
DL 3876flown by SkyWest AUS 07:24 DEN 08:55 92%
UA 779 AUS 11:27 DEN 12:45 92%
UA 595 AUS 08:30 DEN 09:49 89%
F9 1815 AUS 06:30 DEN 07:49 88%
· · ·
UA 2447 AUS 14:45 DEN 16:22 82%
UA 439 AUS 18:29 DEN 20:00 68%
DL 3669flown by SkyWest AUS 16:49 DEN 18:14 66%
All 23 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.
United AUS DEN 2h 25m 85% 0.8% 1,921 Flying now
Frontier AUS DEN 2h 29m 84% 0.5% 580 Flying now
Delta AUS DEN 2h 31m 80% 0.6% 530 Flying now
Southwest AUS DEN 2h 20m 74% 0.5% 2,385 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