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3,665 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 62%.

Best time to leave 7–8 am 95% arrive on time from LGA
Best single flight DL 4939 LGA 06:30 → STL 08:08 · 89% on time Avoid DL 4905 LGA 13:59 → STL 15:50 · 65% 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
18
19
LGA
94
97
81
86
85
60
79
77
68
55
73
64
58
77
% 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.
American (incl. Republic) 928 79% 4.7% 73 min
Delta (incl. Endeavor, SkyWest, Republic) 1,343 77% 5.4% 70 min
Southwest 1,394 76% 3.4% 68 min

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.
DL 4939flown by Endeavor LGA 06:30 STL 08:08 89%
DL 4922flown by Endeavor LGA 10:00 STL 11:47 80%
DL 4926flown by Endeavor LGA 18:51 STL 20:46 70%
DL 4905flown by Endeavor LGA 13:59 STL 15:50 65%

All 13 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.
DL 4939flown by Endeavor LGA 06:30 STL 08:08 2h 38m 276 89% 2.9% 70 min
AA 4508flown by Republic LGA 07:00 STL 08:52 2h 52m 52 94% 1.9% 54 min
WN 523 LGA 08:55 STL 10:45 2h 50m 42 90% 2.4% 37 min
DL 5610flown by Republic LGA 09:45 STL 11:37 2h 52m 31 68% 0.0% 38 min
DL 4922flown by Endeavor LGA 10:00 STL 11:47 2h 50m 188 80% 3.2% 59 min
WN 2473 LGA 12:00 STL 13:40 2h 40m 57 74% 3.5% 102 min
AA 4509flown by Republic LGA 12:58 STL 14:50 2h 52m 72 84% 4.2% 115 min
DL 4935flown by Endeavor LGA 13:34 STL 15:19 2h 45m 31 83% 3.2% 62 min
DL 4905flown by Endeavor LGA 13:59 STL 15:50 2h 51m 177 65% 7.9% 67 min
WN 2740 LGA 15:00 STL 17:00 3h 00m 42 73% 11.9% 111 min
WN 4895 LGA 18:30 STL 20:30 3h 00m 57 49% 17.5% 84 min
DL 4926flown by Endeavor LGA 18:51 STL 20:46 2h 56m 242 70% 9.5% 75 min
AA 4728flown by Republic LGA 18:59 STL 20:55 2h 56m 144 67% 6.9% 58 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.
American LGA STL 2h 56m 79% 4.7% 928 Flying now
Delta LGA STL 2h 54m 77% 5.4% 1,343 Flying now
Southwest LGA STL 2h 55m 76% 3.4% 1,394 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