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4,025 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 94% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 7–8 am 93% arrive on time from ATL
Best single flight DL 3128 ATL 07:32 → MSY 08:04 · 94% on time Avoid F9 2051 ATL 15:42 → MSY 16:26 · 64% 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).

7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
ATL
96
92
89
84
88
86
85
77
77
75
78
73
69
77
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.
Delta 3,278 84% 1.5% 59 min
Southwest 354 79% 0.3% 52 min
Frontier 253 62% 2.4% 74 min
American 3 – 0.0% –
Spirit 137 – 2.2% 53 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 3128 ATL 07:32 MSY 08:04 94%
DL 1424 ATL 08:58 MSY 09:30 92%
DL 2542 ATL 11:05 MSY 11:42 87%
DL 2224 ATL 23:10 MSY 23:43 83%
DL 3157 ATL 13:45 MSY 14:17 83%
· · ·
DL 3132 ATL 17:35 MSY 18:10 74%
DL 2072 ATL 22:07 MSY 22:37 73%
F9 2051 ATL 15:42 MSY 16:26 64%
All 12 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 MSY 1h 35m 84% 1.5% 3,278 Flying now
Southwest ATL MSY 1h 35m 79% 0.3% 354 Flying now
Frontier ATL MSY 1h 44m 62% 2.4% 253 Flying now
Spirit ATL MSY 1h 37m 79% 2.2% 137 Not flying now
American ATL MSY – 100%few flights 0.0% 3 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