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6,125 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 2 in 3.

Best time to leave 5–6 am 95% arrive on time from SFO
Best single flight AS 718 SFO 07:25 → LAS 09:05 · 91% on time Avoid F9 4156 SFO 22:50 → LAS 00:44 · 55% 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
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
SFO
94
93
94
92
66
75
59
74
62
61
56
62
71
72
76
70
64
46
82
% 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
Las Vegas flights leaving SFO 3–4 pm: 3Close ×
WN 1288 SFO 15:45 LAS 17:25 1h 40m 26 4% 3.8% 68 min
AS 776 SFO 15:49 LAS 17:30 1h 41m 306 63% 0.3% 63 min
F9 1850 SFO 15:51 LAS 17:39 1h 49m 191 69% 1.6% 83 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.
United 2,793 79% 0.4% 55 min
Alaska (incl. SkyWest, Horizon) 1,123 76% 0.5% 66 min
Southwest 1,314 65% 0.7% 63 min
Frontier 895 64% 1.7% 89 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.
AS 718 SFO 07:25 LAS 09:05 91%
UA 1995 SFO 19:37 LAS 21:27 81%
UA 611 SFO 10:42 LAS 12:28 80%
UA 406 SFO 21:15 LAS 23:10 77%
UA 751 SFO 17:37 LAS 19:27 72%
· · ·
F9 4158 SFO 11:20 LAS 13:10 67%
AS 776 SFO 15:49 LAS 17:30 63%
F9 4156 SFO 22:50 LAS 00:44 55%
All 24 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.
United SFO LAS 1h 43m 79% 0.4% 2,793 Flying now
Alaska SFO LAS 1h 44m 76% 0.5% 1,123 Flying now
Southwest SFO LAS 1h 35m 65% 0.7% 1,314 Flying now
Frontier SFO LAS 1h 49m 64% 1.7% 895 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