Route
LAX → IAD
Los Angeles International Airport Washington Dulles International Airport
How punctual is this route?
- On-time arrivals
- 87.5%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,461
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 42%
- Late-arriving aircraft 40%
- Air traffic control & airport 18%
- Security 0%
- Extreme weather 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 91.9% | 174 |
| October 2025 | 96.0% | 202 |
| November 2025 | 83.8% | 198 |
| December 2025 | 86.4% | 215 |
| January 2026 | 82.0% | 174 |
| February 2026 | 88.0% | 158 |
| March 2026 | 75.8% | 184 |
| April 2026 | 94.2% | 225 |
| May 2026 | 90.8% | 252 |
| June 2026 | 90.4% | 253 |
| July 2026 | 81.2% | 241 |
| August 2026 | 86.3% | 185 |
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 |
|---|---|---|---|---|
| United Airlines | 2,341 | 88.0% | 0.6% | 60 min |
| American Airlines | 120 | 76.5% | 0.0% | 77 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA2667
9% late · 365 flights
-
UA1635
11% late · 347 flights
-
UA2282
11% late · 277 flights
-
UA1573
9% late · 212 flights
-
UA2268
16% late · 201 flights
-
UA2632
6% late · 194 flights
-
UA418
9% late · 140 flights
-
AA3223
22% late · 86 flights
-
UA2081
4% late · 73 flights
-
UA1892
13% late · 53 flights
-
UA688
12% late · 51 flights
-
UA1311
36% late · 37 flights
-
UA1464
22% late · 37 flights
-
UA2001
39% late · 37 flights
-
UA689
11% late · 36 flights
-
AA1200
28% late · 33 flights
-
UA349
12% late · 33 flights
-
UA1631
10% late · 31 flights
-
UA2372
0% late · 31 flights
-
UA1747
58% late · 24 flights
-
UA1987
4% late · 23 flights
-
UA669
15% late · 20 flights
In the news
More headlines →-
Los Angeles World Airports partners with local brands to transform its dining and retail offering at LAX
Future Travel Experience LAX
-
Los Angeles International Airport Departures
Flightradar24 LAX
-
LAX People Mover Delayed to 2027, More Travel News
Eye of the Flyer LAX
-
LAX roasted over absurd Starbucks pricing — one of the worst markups in the country
New York Post LAX
-
Outrageous new report puts LAX in interesting company
New York Post LAX
-
LAX ranked most reliable airport in U.S. in 2026: Report
AOL.com LAX
Headlines found by Google News; stories open on the publisher's site.
Reviews
No reviews yet. Be the first to review this route.