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8,413 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 ATL
Best single flight DL 404 ATL 06:00 → LGA 08:11 · 92% on time Avoid F9 3288 ATL 20:22 → LGA 22:43 · 41% 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
ATL
93
92
86
85
86
81
78
75
67
69
73
62
62
61
53
66
% 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 ATL 7–8 pm: 2Close ×
DL 468 ATL 19:00 LGA 21:25 2h 25m 333 67% 3.3% 73 min
AA 4607flown by Republic ATL 19:18 LGA 21:43 2h 22m 70 50% 11.4% 83 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 4,935 77% 3.2% 64 min
American (incl. Republic) 1,738 76% 5.8% 89 min
Southwest 815 73% 2.5% 67 min
Frontier 919 50% 6.6% 103 min
Spirit 6 – 0.0% 29 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.
DL 404 ATL 06:00 LGA 08:11 92%
DL 323 ATL 07:30 LGA 09:42 91%
DL 513 ATL 08:30 LGA 10:43 88%
DL 371 ATL 10:30 LGA 12:44 86%
DL 467 ATL 11:30 LGA 13:44 86%
· · ·
DL 490 ATL 20:00 LGA 22:27 63%
F9 3454 ATL 15:30 LGA 17:51 53%
F9 3288 ATL 20:22 LGA 22:43 41%
All 24 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 ATL LGA 2h 18m 77% 3.2% 4,935 Flying now
American ATL LGA 2h 18m 76% 5.8% 1,738 Flying now
Frontier ATL LGA 2h 21m 50% 6.6% 919 Flying now
Southwest ATL LGA 2h 10m 73% 2.5% 815 Not flying now
Spirit ATL LGA – 83%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