Fly Dulles to LAX: 85% arrive on time, against 64% from BWI to Ontario.
Time of day × airport
Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).
Pick an hour to see this route’s flights leaving then.
Airlines on this route
Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
| United | 2,918 | 85% | 0.9% | 65 min |
| Delta DCA→LAX only | 362 | 79% | 2.5% | 111 min |
| American | 843 | 78% | 1.2% | 67 min |
| Alaska | 383 | 70% | 1.6% | 62 min |
| Southwest | 1,454 | 68% | 1.1% | 49 min |
| Spirit BWI→LAX only | 76 | – | 1.3% | 32 min |
Dimmed: fewer than 150 flights in the year, too few to rank.
Flights, best and worst
Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
All 23 flights in the current schedule
Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
| AA 1242 | IAD 06:11 | LAX 08:41 | 5h 30m | 42 | 71% | 0.0% | 39 min |
| AA 1225 | IAD 06:20 | LAX 08:54 | 5h 34m | 30 | 87% | 0.0% | 159 min |
| UA 2318 | BWI 07:00 | LAX 09:29 | 5h 29m | 72 | 83% | 1.4% | 92 min |
| UA 325 | IAD 07:00 | LAX 09:26 | 5h 26m | 71 | 92% | 0.0% | 34 min |
| WN 4322 | BWI 07:10 | LAX 09:35 | 5h 25m | 49 | 65% | 0.0% | 40 min |
| UA 1734 | IAD 08:15 | LAX 10:47 | 5h 32m | 184 | 86% | 1.6% | 84 min |
| AA 1966 | DCA 08:40 | LAX 11:19 | 5h 39m | 364 | 83% | 0.8% | 51 min |
| UA 1868 | IAD 09:10 | LAX 11:39 | 5h 29m | 72 | 85% | 1.4% | 118 min |
| WN 991 | BWI 09:50 | ONT 12:05 | 5h 15m | 16 | 80% | 6.2% | 27 min |
| AS 5 | DCA 09:59 | LAX 12:27 | 5h 28m | 364 | 71% | 1.6% | 64 min |
| UA 1689 | IAD 13:10 | LAX 15:42 | 5h 32m | 365 | 90% | 0.5% | 38 min |
| WN 193 | BWI 13:50 | LAX 16:15 | 5h 25m | 34 | 38% | 0.0% | 53 min |
| UA 684 | IAD 15:15 | LAX 17:47 | 5h 32m | 124 | 89% | 0.0% | 56 min |
| WN 2096 | BWI 15:30 | LAX 17:55 | 5h 25m | 16 | 27% | 6.2% | 42 min |
| DL 392 | DCA 16:45 | LAX 19:20 | 5h 35m | 90 | 75% | 5.6% | 150 min |
| AA 880 | DCA 17:16 | LAX 19:55 | 5h 39m | 42 | 56% | 0.0% | 113 min |
| UA 2276 | IAD 17:48 | LAX 20:21 | 5h 33m | 328 | 71% | 1.5% | 76 min |
| AA 3283 | DCA 18:01 | LAX 20:41 | 5h 40m | 73 | 70% | 2.7% | 68 min |
| UA 1546 | BWI 19:21 | LAX 21:50 | 5h 29m | 92 | 66% | 0.0% | 94 min |
| WN 980 | BWI 20:10 | LAX 22:35 | 5h 30m | 50 | 47% | 10.0% | 73 min |
| WN 200 | BWI 20:10 | ONT 22:25 | 5h 15m | 33 | 48% | 0.0% | 63 min |
| UA 413 | IAD 20:18 | LAX 22:55 | 5h 37m | 55 | 82% | 0.0% | 54 min |
| UA 1385 | IAD 22:20 | LAX 00:57 | 5h 37m | 336 | 84% | 0.6% | 45 min |
Nonstops by airline and airport
Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
| United | IAD | LAX | 5h 35m | 85% | 0.8% | 2,338 | Flying now |
| United | BWI | LAX | 5h 51m | 84% | 1.0% | 580 | Flying now |
| Delta | DCA | LAX | 5h 52m | 79% | 2.5% | 362 | Flying now |
| American | DCA | LAX | 5h 40m | 79% | 1.4% | 728 | Flying now |
| American | IAD | LAX | 5h 34m | 77% | 0.0% | 115 | Flying now |
| Alaska | DCA | LAX | 5h 28m | 71% | 1.6% | 364 | Flying now |
| Southwest | BWI | LAX | 5h 50m | 68% | 1.4% | 1,045 | Flying now |
| Southwest | BWI | ONT | 5h 30m | 64% | 0.4% | 281 | Flying now |
| Spirit | BWI | LAX | 5h 46m | 93% | 1.3% | 76 | Not flying now |
| Southwest | BWI | LGB | 5h 40m | 73% | 0.0% | 128 | Not flying now |
| Alaska | IAD | LAX | 5h 29m | 47%few flights | 0.0% | 19 | Not flying now |
About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON