Route
LAX → SEA
Los Angeles International Airport Seattle–Tacoma International Airport
How punctual is this route?
- On-time arrivals
- 85.0%
- Less than 15 minutes late
- Cancelled
- 0.8%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 7,534
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 49%
- Late-arriving aircraft 37%
- Air traffic control & airport 13%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.5% | 606 |
| October 2025 | 88.6% | 612 |
| November 2025 | 90.6% | 604 |
| December 2025 | 82.0% | 629 |
| January 2026 | 86.0% | 562 |
| February 2026 | 87.2% | 555 |
| March 2026 | 84.9% | 638 |
| April 2026 | 87.7% | 613 |
| May 2026 | 85.9% | 679 |
| June 2026 | 78.7% | 651 |
| July 2026 | 80.5% | 668 |
| August 2026 | 77.9% | 717 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Alaska Airlines | 3,292 | 85.2% | 0.9% | 58 min |
| Delta Air Lines | 2,228 | 85.2% | 0.7% | 75 min |
| SkyWest Airlines | 1,315 | 83.4% | 0.7% | 77 min |
| United Airlines | 376 | 89.1% | 0.0% | 47 min |
| Frontier Airlines | 308 | 83.5% | 3.2% | 67 min |
| American Airlines | 15 | 73.3% | 0.0% | 152 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL2606
17% late · 365 flights
-
DL2980
8% late · 364 flights
-
DL2640
18% late · 361 flights
-
DL1714
8% late · 329 flights
-
DL1045
13% late · 323 flights
-
AS1305
27% late · 312 flights
-
F91177
16% late · 303 flights
-
AS1301
13% late · 302 flights
-
DL1551
22% late · 301 flights
-
AS585
15% late · 291 flights
-
AS798
13% late · 261 flights
-
AS614
17% late · 229 flights
-
AS698
8% late · 187 flights
-
AS748
12% late · 180 flights
-
AS84
7% late · 155 flights
-
OO6481
24% late · 155 flights
-
AS532
11% late · 138 flights
-
UA684
16% late · 122 flights
-
OO6444
22% late · 113 flights
-
OO5408
15% late · 96 flights
-
AS482
22% late · 83 flights
-
DL2616
25% late · 83 flights
-
UA325
10% late · 82 flights
-
OO5873
4% late · 77 flights
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Headlines found by Google News; stories open on the publisher's site.
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