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4,028 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 9–10 am 95% arrive on time from MSY
Best single flight DL 3128 MSY 09:13 → ATL 11:43 · 93% on time Avoid F9 2052 MSY 17:21 → ATL 20:11 · 58% 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).

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MSY
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% 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 MSY 10–11 am: 1Close ×
DL 1424 MSY 10:35 ATL 13:05 1h 31m 351 92% 2.3% 75 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 3,280 87% 1.6% 74 min
Southwest 352 71% 0.3% 51 min
Frontier 254 54% 2.4% 77 min
American 2 – 0.0% –
Spirit 140 – 2.1% 87 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 MSY 09:13 ATL 11:43 93%
DL 1424 MSY 10:35 ATL 13:05 92%
DL 1547 MSY 05:20 ATL 07:53 92%
DL 1534 MSY 06:20 ATL 08:54 92%
DL 2522 MSY 07:28 ATL 09:59 90%
· · ·
DL 2542 MSY 12:46 ATL 15:20 86%
DL 3157 MSY 15:22 ATL 18:01 76%
F9 2052 MSY 17:21 ATL 20:11 58%
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.

Delta MSY ATL 1h 34m 87% 1.6% 3,280 Flying now
Southwest MSY ATL 1h 25m 71% 0.3% 352 Flying now
Frontier MSY ATL 1h 50m 54% 2.4% 254 Flying now
Spirit MSY ATL 1h 28m 67% 2.1% 140 Not flying now
American MSY ATL – 100%few flights 0.0% 2 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