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2,729 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 3 in 5.

Best time to leave 8–9 am 93% arrive on time from DEN
Best single flight UA 1762 DEN 19:10 → TUS 20:12 · 69% 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
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
DEN
87
93
86
90
85
73
76
54
44
67
55
56
56
% 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
Tucson flights leaving DEN 3–4 pm: 1Close ×
WN 2782 DEN 15:20 TUS 16:20 2h 00m 24 48% 0.0% 50 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.
United (incl. SkyWest) 1,457 83% 0.2% 62 min
Southwest 1,186 71% 0.3% 51 min
Frontier 86 – 1.2% 51 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.
UA 1762 DEN 19:10 TUS 20:12 69%
All 6 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 DEN TUS 2h 10m 83% 0.2% 1,457 Flying now
Southwest DEN TUS 2h 00m 71% 0.3% 1,186 Flying now
Frontier DEN TUS 2h 03m 82% 1.2% 86 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