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6,122 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 4 in 5 depart on time. After 4 pm it’s 57%.

Best time to leave 6–7 am 97% arrive on time from LAS
Best single flight UA 643 LAS 06:00 → SFO 07:35 · 98% on time Avoid UA 1267 LAS 19:52 → SFO 21:34 · 40% 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
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
LAS
97
74
61
71
68
77
55
71
51
73
71
62
58
57
49
51
40
% 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.
United 2,793 66% 0.4% 63 min
Alaska (incl. SkyWest, Horizon) 1,124 66% 0.8% 52 min
Frontier 893 64% 1.7% 71 min
Southwest 1,312 47% 0.6% 55 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.
UA 643 LAS 06:00 SFO 07:35 98%
F9 3019 LAS 07:00 SFO 08:49 76%
AS 613 LAS 22:05 SFO 23:42 76%
UA 2047 LAS 17:13 SFO 18:55 71%
UA 574 LAS 11:30 SFO 13:12 69%
· · ·
UA 1799 LAS 13:34 SFO 15:16 57%
F9 4401 LAS 14:34 SFO 16:36 52%
UA 1267 LAS 19:52 SFO 21:34 40%
All 22 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 LAS SFO 1h 42m 66% 0.4% 2,793 Flying now
Alaska LAS SFO 1h 43m 66% 0.8% 1,124 Flying now
Frontier LAS SFO 1h 53m 64% 1.7% 893 Flying now
Southwest LAS SFO 1h 38m 47% 0.6% 1,312 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