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4,667 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 62%.

Best time to leave 6–7 am 92% arrive on time from DEN
Best single flight UA 1442 DEN 08:03 → LGA 13:57 · 89% on time Avoid UA 2168 DEN 16:00 → LGA 21:54 · 67% 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).

6
7
8
9
10
11
12
13
14
15
16
17
DEN
91
88
90
80
71
76
69
75
63
57
68
60
% 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.
Delta 1,032 80% 4.6% 83 min
United 2,019 75% 1.8% 72 min
Southwest 1,495 65% 2.8% 60 min
Frontier 121 – 3.3% 82 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 1442 DEN 08:03 LGA 13:57 89%
DL 398 DEN 07:10 LGA 12:52 87%
UA 2446 DEN 09:49 LGA 15:46 83%
DL 751 DEN 11:05 LGA 16:50 80%
UA 598 DEN 11:30 LGA 17:24 72%
· · ·
UA 1579 DEN 13:59 LGA 19:53 71%
DL 716 DEN 17:20 LGA 23:13 70%
UA 2168 DEN 16:00 LGA 21:54 67%
All 15 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.
Delta DEN LGA 3h 46m 80% 4.6% 1,032 Flying now
United DEN LGA 3h 48m 75% 1.8% 2,019 Flying now
Southwest DEN LGA 3h 40m 65% 2.8% 1,495 Flying now
Frontier DEN LGA 3h 55m 66% 3.3% 121 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