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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
18
19
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
New York flights leaving STL 5–6 am: 1Close ×
WN 4939 STL 05:40 LGA 09:00 2h 20m 49 96% 2.0% 61 min

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 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.
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