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4,771 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 78%.

Best time to leave 7–8 am 91% arrive on time from LAS
Best single flight DL 755 LAS 06:00 → ATL 12:50 · 94% on time Avoid F9 2428 LAS 23:50 → ATL 06:57 · 71% 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).

5
6
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8
9
10
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LAS
92
93
86
84
86
83
73
80
73
82
85
80
80
76
% 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 LAS 8–9 am: 2Close ×
DL 927 LAS 08:15 ATL 15:17 4h 02m 238 90% 0.4% 63 min
WN 4482 LAS 08:25 ATL 15:25 4h 00m 34 74% 0.0% 39 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 3,322 87% 0.8% 82 min
Spirit 154 87% 0.6% 77 min
Southwest 720 84% 0.6% 40 min
Frontier 575 76% 1.6% 75 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 755 LAS 06:00 ATL 12:50 94%
DL 677 LAS 07:05 ATL 14:01 93%
DL 927 LAS 08:15 ATL 15:17 90%
DL 748 LAS 11:41 ATL 18:47 88%
DL 466 LAS 13:21 ATL 20:34 84%
· · ·
DL 591 LAS 14:45 ATL 21:57 80%
DL 857 LAS 00:33 ATL 07:18 74%
F9 2428 LAS 23:50 ATL 06:57 71%
All 18 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 LAS ATL 3h 58m 87% 0.8% 3,322 Flying now
Southwest LAS ATL 3h 50m 84% 0.6% 720 Flying now
Frontier LAS ATL 4h 10m 76% 1.6% 575 Flying now
Spirit LAS ATL 3h 59m 87% 0.6% 154 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