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2,052 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 96% depart on time. After 4 pm it’s 4 in 5.

Best time to leave 5–6 am 97% arrive on time from GEG
Best single flight UA 1234 GEG 05:00 → DEN 08:20 · 96% on time Avoid UA 1255 GEG 13:41 → DEN 16:57 · 80% 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
GEG
97
94
85
81
77
50
53
81
% 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) 1,084 86% 0.5% 90 min
Southwest 858 83% 0.1% 56 min
Frontier 110 – 0.0% 34 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 1234 GEG 05:00 DEN 08:20 96%
UA 1255 GEG 13:41 DEN 16:57 80%

All 8 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 1234 GEG 05:00 DEN 08:20 2h 20m 280 96% 0.0% 148 min
WN 1333 GEG 06:00 DEN 09:10 2h 10m 50 98% 0.0% 39 min
WN 859 GEG 11:50 DEN 15:05 2h 15m 57 79% 0.0% 53 min
F9 3358 GEG 12:31 DEN 16:06 2h 35m 110 81% 0.0% 35 min
UA 1255 GEG 13:41 DEN 16:57 2h 16m 364 80% 0.3% 81 min
WN 1880 GEG 14:15 DEN 17:30 2h 15m 42 59% 2.4% 45 min
WN 1896 GEG 14:55 DEN 18:10 2h 15m 16 31% 0.0% 84 min
UA 2786 GEG 16:18 DEN 19:43 2h 25m 71 71% 1.4% 81 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 GEG DEN 2h 30m 86% 0.5% 1,084 Flying now
Southwest GEG DEN 2h 15m 83% 0.1% 858 Flying now
Frontier GEG DEN 2h 35m 81% 0.0% 110 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