Alaska Airlines IAD to LAX on-time performance
Alaska Airlines nonstop flights from Washington to Los Angeles · Aug 2025 – Jul 2026
On-time arrivals
47%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
24 min
43 min when late
Rank on route
#3 of 3
route average 84% on time
Key facts
- Alaska Airlines flights on IAD to LAX arrived on time 47% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 11% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 84% on time overall.
- The largest source of delay minutes was late-arriving aircraft (92%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft92%
- Air traffic control & airport congestion4%
- Airline (crew, maintenance, cleaning, fueling)3%
- Security1%
- Extreme weather0%
Other airlines on IAD to LAX
- United Airlines84% on time · 10 min avg delay
- American Airlines76% on time · 14 min avg delay
Full IAD to LAX comparison →
Alaska Airlines on-time record across all routes →
19 Alaska Airlines flights tracked on this route; 0 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.