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Flight records through August 2026. Security counts through October 31, 2026.

Which LAS to SEA flight is punctual? Alaska 701, 6:02 am.

94% on time across 91 flights in the last 3 months, never cancelled.

Find your flight LAS security

LAS to SEA flights that landed on time most often
Departs	Flight	On time
6:02 am	AS 701	94%
6:10 am	DL 2844	92%
11:30 am	AS 785	90%
10:28 am	AS 629	86%
10:59 am	DL 2922	86%
12:16 pm	AS 676	84%
2:40 pm	DL 2880	82%
1:35 pm	DL 2905	82%

8 of 18 regular flights, ranked by arrivals on time, June to August 2026.

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

Delta landed on time 86% of the time, Alaska 82%.

Flight records, September 2025 to August 2026

Delta

86%

on time

1.1% cancelled
Alaska

82%

on time

1.2% cancelled
Southwest

70%

on time

0.3% cancelled

When do the flights leave? 18 regular flights, 6:02 am to 10:10 pm.

DL 2844 was cancelled most often, 2% of the time.

Flight records, June to August 2026

DL 2844 6:10 am, 2% cancelled 92%
DL 2922 10:59 am, 1% cancelled 86%
DL 2905 1:35 pm, 0% cancelled 82%
DL 2880 2:40 pm, 0% cancelled 82%
DL 2956 7:06 pm, 1% cancelled 72%

AS 701 6:02 am, 0% cancelled 94%
AS 479 7:22 am, 1% cancelled 77%
AS 629 10:28 am, 0% cancelled 86%
AS 785 11:30 am, 0% cancelled 90%
AS 676 12:16 pm, 1% cancelled 84%
AS 698 3:12 pm, 0% cancelled 63%
AS 1681 6:49 pm, 0% cancelled 50%
AS 749 9:10 pm, 0% cancelled 73%

WN 739 7:40 am, 0% cancelled 75%
WN 1192 5:25 pm, 0% cancelled 48%
WN 4196 9:55 pm, 0% cancelled 48%
WN 963 10:10 pm, 0% cancelled 48%

What time should I fly? The 6 am departures.

94% landed on time; at 10 pm, 57%. Tuesday was the best day, Friday the worst.

Flight records, September 2025 to August 2026

Share of LAS to SEA flights landing less than 15 minutes late, by scheduled departure hour
Departs	Bar	Landed on time
6 am		94%
7 am		82%
8 am		82%
9 am		89%
10 am		84%
11 am		88%
12 pm		83%
1 pm		82%
2 pm		77%
3 pm		75%
4 pm		70%
5 pm		78%
6 pm		71%
7 pm		73%
8 pm		76%
9 pm		73%
10 pm		57%

When is LAS security busiest? 5 am, then 10 to 11 am.

Calmest around 5 pm. Las Vegas security, hour by hour.

Security counts, 8 weeks to October 31, 2026

People screened per hour at LAS checkpoints, by weekday and hour; choose a cell to read it
	4a				8a				12p				4p				8p
Mon
Tue
Wed
Thu
Fri
Sat
Sun

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

Sunday, 11 am

6,120

people screened, all terminals.