Home / Routes / KDCA → KSEA1,112 scheduled

The route from Ronald Reagan Washington National Airport (KDCA) in Washington to Seattle Tacoma International Airport (KSEA) in Seattle. SkyMeter tracks roughly 1,112 scheduled flights on this route across 7 carriers. The most active operator is ASA (ASA). Average block time is 5h 50m. Departures average 28 minutes off schedule, with 50% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-800.

Scheduled
1,112
last 431 days
ADS-B observed
209
Airlines
7
Avg dep delay
28m
Late >15 min
50.3%
Cancel rate
0.90%

Recent observed flights

From ADS-B trace data

2026-07-05 12:02  →  2026-07-05 17:44  ·  5h 41m
Replay
2026-07-04 12:04  →  2026-07-04 17:39  ·  5h 34m
Replay
2026-07-03 21:10  →  2026-07-04 02:44  ·  5h 33m
Replay
2026-07-03 20:40  →  2026-07-04 02:18  ·  5h 37m
Replay
2026-07-03 11:58  →  2026-07-03 17:25  ·  5h 26m
Replay
2026-07-02 12:02  →  2026-07-02 17:44  ·  5h 41m
Replay
2026-07-02 12:02  →  2026-07-02 17:44  ·  5h 41m
Replay
2026-07-01 22:09  →  2026-07-02 03:39  ·  5h 30m
Replay
2026-07-01 20:20  →  2026-07-02 02:08  ·  5h 47m
Replay
2026-07-01 12:03  →  2026-07-01 17:25  ·  5h 22m
Replay

Codeshare partnerships

Marketing carriers selling tickets on this route under their own flight numbers

sells ASA 699
sells ASA 599
sells ASA 354
sells ASA 294
sells ASA 65

Looking for the return flight?

View KSEA → KDCA