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3,163 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 4 in 5.

Best time to leave 7–8 am 94% arrive on time from ATL
Best single flight DL 3125 ATL 07:30 → IND 09:00 · 95% on time Avoid DL 1482 ATL 20:51 → IND 22:27 · 72% 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
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20
21
22
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ATL
95
90
84
87
83
81
86
77
77
85
75
82
84
86
% 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
Indianapolis flights leaving ATL 4–5 pm: 1Close ×
WN 560 ATL 16:25 IND 18:05 1h 40m 26 50% 0.0% 55 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 2,693 85% 1.5% 58 min
Southwest 326 80% 0.3% 51 min
Frontier 143 – 0.7% 69 min
American 1 – 0.0% 70 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 3125 ATL 07:30 IND 09:00 95%
DL 2952 ATL 08:59 IND 10:31 91%
DL 3013 ATL 11:05 IND 12:40 89%
DL 3134 ATL 13:48 IND 15:20 83%
DL 3120 ATL 17:40 IND 19:16 81%
· · ·
DL 3153 ATL 22:59 IND 00:35 80%
DL 2979 ATL 17:28 IND 19:02 78%
DL 1482 ATL 20:51 IND 22:27 72%
All 13 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 IND 1h 33m 85% 1.5% 2,693 Flying now
Southwest ATL IND 1h 30m 80% 0.3% 326 Flying now
Frontier ATL IND 1h 44m 70% 0.7% 143 Flying now
American ATL IND – 0%few flights 0.0% 1 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