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8,411 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 63%.

Best time to leave 7–8 am 92% arrive on time from LGA
Best single flight DL 342 LGA 06:59 → ATL 09:20 · 94% on time Avoid F9 3453 LGA 18:48 → ATL 21:41 · 46% 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
20
21
22
LGA
88
93
90
91
86
84
81
78
78
75
67
64
61
70
59
42
% 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
Atlanta flights leaving LGA 4–5 pm: 2Close ×
DL 969 LGA 16:00 ATL 18:48 2h 48m 321 70% 3.4% 68 min
AA 4607flown by Republic LGA 16:29 ATL 19:06 2h 37m 79 59% 10.1% 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.
Delta 4,932 81% 3.3% 74 min
American (incl. Republic) 1,739 78% 5.2% 68 min
Southwest 815 76% 2.9% 74 min
Frontier 919 57% 7.5% 106 min
Spirit 6 – 0.0% –

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.
DL 342 LGA 06:59 ATL 09:20 94%
DL 364 LGA 08:00 ATL 10:29 92%
DL 550 LGA 06:00 ATL 08:15 91%
DL 992 LGA 09:00 ATL 11:28 87%
DL 989 LGA 10:00 ATL 12:27 84%
· · ·
F9 3287 LGA 06:29 ATL 09:17 63%
F9 4347 LGA 22:00 ATL 00:27 60%
F9 3453 LGA 18:48 ATL 21:41 46%
All 25 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 LGA ATL 2h 30m 81% 3.3% 4,932 Flying now
American LGA ATL 2h 37m 78% 5.2% 1,739 Flying now
Frontier LGA ATL 2h 48m 57% 7.5% 919 Flying now
Southwest LGA ATL 2h 35m 76% 2.9% 815 Not flying now
Spirit LGA ATL – 100%few flights 0.0% 6 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