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1,659 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 7 in 10.

Best time to leave 5–6 am 95% arrive on time from PIT
Best single flight UA 1765 PIT 08:30 → DEN 09:59 · 92% 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).

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% 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 851 87% 0.7% 66 min
Southwest 767 77% 0.8% 58 min
Frontier 41 – 0.0% 63 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 1765 PIT 08:30 DEN 09:59 92%

All 7 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.

WN 3368 PIT 05:32 DEN 06:55 3h 22m 50 96% 0.0% 160 min
UA 1765 PIT 08:30 DEN 09:59 3h 29m 328 92% 0.6% 86 min
WN 3369 PIT 10:55 DEN 12:15 3h 20m 42 74% 0.0% 36 min
UA 1092 PIT 16:25 DEN 17:55 3h 30m 36 74% 2.8% 81 min
UA 667 PIT 16:25 DEN 17:55 3h 30m 24 58% 0.0% 36 min
WN 2697 PIT 18:25 DEN 19:58 3h 32m 16 44% 0.0% 74 min
WN 4072 PIT 18:40 DEN 20:05 3h 25m 42 33% 0.0% 60 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 PIT DEN 3h 39m 87% 0.7% 851 Flying now
Southwest PIT DEN 3h 30m 77% 0.8% 767 Flying now
Frontier PIT DEN 3h 36m 83% 0.0% 41 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