Airports AirportPace Search

Flight records through . Security counts through .

Which SFO to LAS flight is punctual? United 582, 6 am.

96% on time across 47 flights in the last 3 months, never cancelled.

SFO to LAS flights that landed on time most often
DepartsFlightOn time
6:00 amUA 58296%
5:00 amWN 423191%
8:42 amUA 238286%
7:25 amAS 71884%
8:21 amUA 249281%
9:15 pmUA 40673%
7:37 pmUA 199572%
5:10 amWN 113868%
8 of 26 regular flights, ranked by arrivals on time, June to August 2026.

Which airline is most reliable? United, ahead of Alaska.

United landed on time 76% of the time, Alaska 72%.

Flight records,

  • United

    76%

    on time

    0.4% cancelled

  • Alaska

    72%

    on time

    0.5% cancelled

  • Southwest

    60%

    on time

    0.8% cancelled

When do the flights leave? 26 regular flights, 5 am to 10:59 pm.

F9 4156 was cancelled most often, 6% of the time.

Flight records,

  1. UA 582 6:00 am, 0% cancelled 96%
  2. UA 2492 8:21 am, 0% cancelled 81%
  3. UA 2382 8:42 am, 0% cancelled 86%
  4. UA 611 10:42 am, 0% cancelled 65%
  5. UA 2449 12:00 pm, 0% cancelled 66%
  6. UA 2829 12:15 pm, 0% cancelled 57%
  7. UA 2352 2:10 pm, 0% cancelled 52%
  8. UA 2421 2:21 pm, 0% cancelled 38%
  9. UA 2855 2:21 pm, 0% cancelled 57%
  10. UA 751 5:37 pm, 0% cancelled 68%
  11. UA 1995 7:37 pm, 0% cancelled 72%
  12. UA 406 9:15 pm, 1% cancelled 73%
  13. UA 2839 10:59 pm, 1% cancelled 56%
  1. AS 718 7:25 am, 1% cancelled 84%
  2. AS 776 3:49 pm, 0% cancelled 53%
  3. AS 468 9:59 pm, 0% cancelled 36%
  1. WN 4231 5:00 am, 0% cancelled 91%
  2. WN 1138 5:10 am, 0% cancelled 68%
  3. WN 4249 9:45 am, 6% cancelled 20%
  4. WN 3644 2:15 pm, 0% cancelled 16%
  5. WN 1288 3:45 pm, 4% cancelled 4%
  6. WN 4525 7:55 pm, 5% cancelled 25%
  1. F9 4158 11:20 am, 3% cancelled 38%
  2. F9 1850 3:43 pm, 1% cancelled 50%
  3. F9 4156 9:00 pm, 6% cancelled 23%
  4. F9 4402 9:00 pm, 2% cancelled 50%

What time should I fly? The 5 am departures.

96% landed on time; at 11 am, 50%. Saturday was the best day, Thursday the worst.

Flight records,

Share of SFO to LAS flights landing less than 15 minutes late, by scheduled departure hour
DepartsBarLanded on time
5 am96%
6 am93%
7 am94%
8 am87%
9 am65%
10 am62%
11 am50%
12 pm69%
1 pm62%
2 pm55%
3 pm55%
4 pm58%
5 pm72%
6 pm67%
7 pm76%
8 pm68%
9 pm64%
10 pm53%
11 pm81%

When is SFO security busiest? 7 am, then 9 am to noon.

Calmest around 4 pm. San Francisco security, hour by hour.

Security counts,

People screened per hour at SFO checkpoints, by weekday and hour; choose a cell to read it
4a8a12p4p8p
Mon
Tue
Wed
Thu
Fri
Sat
Sun
People screened per hour at SFO checkpoints, by weekday and hour; choose a cell to read it
MonTueWedThuFriSatSun
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p

Thursday, 10 am

5,960

people screened, all terminals.