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1,364 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

United is clearly ahead here: 84% of its flights arrive on time, 17 points better than Southwest.

Best time to leave 11 am–12 pm 89% arrive on time from DEN
Best single flight UA 2130 DEN 17:30 → MEM 20:56 · 75% 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).

10
11
12
13
14
15
16
17
18
19
DEN
80
86
69
78
80
78
71
36
% 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
Memphis flights leaving DEN 11 am–12 pm: 2Close ×
UA 1112 DEN 11:05 MEM 14:26 2h 21m 37 92% 0.0% 91 min
UA 756 DEN 11:08 MEM 14:29 2h 21m 35 77% 0.0% 70 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) 728 84% 0.8% 76 min
Southwest 492 66% 0.8% 59 min
Frontier 144 – 0.7% 62 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 2130 DEN 17:30 MEM 20:56 75%
All 7 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.
Frontier DEN MEM 2h 20m 85% 0.7% 144 Flying now
United DEN MEM 2h 21m 84% 0.8% 728 Flying now
Southwest DEN MEM 2h 15m 66% 0.8% 492 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