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4,773 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 2 in 3.

Best time to leave 6–7 am 93% arrive on time from ATL
Best single flight DL 777 ATL 08:25 → LAS 09:31 · 86% on time Avoid F9 3923 ATL 19:11 → LAS 20:39 · 59% 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
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9
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ATL
92
90
92
85
76
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83
81
75
71
76
72
72
60
56
71
73
% 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.
Spirit 156 81% 0.6% 72 min
Delta 3,322 78% 0.6% 58 min
Southwest 719 76% 0.4% 47 min
Frontier 576 65% 2.4% 93 min

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 777 ATL 08:25 LAS 09:31 86%
DL 945 ATL 09:55 LAS 11:07 84%
DL 659 ATL 07:25 LAS 08:35 81%
DL 466 ATL 11:00 LAS 12:10 80%
DL 549 ATL 13:15 LAS 14:26 80%
· · ·
DL 955 ATL 19:55 LAS 21:10 68%
DL 825 ATL 21:20 LAS 22:39 67%
F9 3923 ATL 19:11 LAS 20:39 59%
All 16 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 LAS 4h 18m 78% 0.6% 3,322 Flying now
Southwest ATL LAS 4h 30m 76% 0.4% 719 Flying now
Frontier ATL LAS 4h 28m 65% 2.4% 576 Flying now
Spirit ATL LAS 4h 36m 81% 0.6% 156 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