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3,664 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 3 in 5.

Best time to leave 5–6 am 97% arrive on time from STL
Best single flight DL 4981 STL 06:05 → LGA 09:38 · 90% on time Avoid DL 4922 STL 12:35 → LGA 16:09 · 74% 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
17
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20
STL
97
92
90
80
82
73
75
76
70
68
60
66
54
56
46
% 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 81% 4.0% 90 min
Delta (incl. Endeavor, SkyWest, Republic) 1,342 78% 5.0% 83 min
Southwest 1,394 72% 3.1% 59 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 4981flown by Endeavor STL 06:05 LGA 09:38 90%
AA 4669flown by Republic STL 06:00 LGA 09:35 90%
DL 4922flown by Endeavor STL 12:35 LGA 16:09 74%

All 14 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 4939 STL 05:40 LGA 09:00 2h 20m 49 96% 2.0% 61 min
AA 4669flown by Republic STL 06:00 LGA 09:35 2h 34m 152 90% 2.6% 71 min
DL 4981flown by Endeavor STL 06:05 LGA 09:38 2h 33m 235 90% 2.1% 167 min
DL 4939flown by Endeavor STL 07:05 LGA 10:35 2h 30m 117 86% 5.1% 76 min
AA 4508flown by Republic STL 09:22 LGA 12:56 2h 34m 52 84% 1.9% 68 min
DL 4839flown by Endeavor STL 09:22 LGA 12:56 2h 34m 48 77% 10.4% 47 min
WN 1373 STL 11:00 LGA 14:25 2h 25m 33 82% 9.1% 43 min
WN 2315 STL 11:00 LGA 14:25 2h 25m 16 86% 12.5% 34 min
DL 4922flown by Endeavor STL 12:35 LGA 16:09 2h 38m 168 74% 5.4% 86 min
DL 5610flown by Republic STL 13:05 LGA 16:38 2h 33m 32 71% 3.1% 69 min
AA 4509flown by Republic STL 15:20 LGA 18:55 2h 35m 61 71% 8.2% 75 min
WN 4962 STL 15:25 LGA 18:55 2h 30m 50 63% 2.0% 35 min
DL 4935flown by Endeavor STL 17:22 LGA 21:00 2h 38m 48 79% 18.8% 83 min
WN 4684 STL 19:55 LGA 23:25 2h 25m 50 41% 2.0% 48 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 STL LGA 2h 30m 81% 4.0% 928 Flying now
Delta STL LGA 2h 29m 78% 5.0% 1,342 Flying now
Southwest STL LGA 2h 20m 72% 3.1% 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