Home / Routes / KSEA → KBWI843 scheduled

The route from Seattle Tacoma International Airport (KSEA) in Seattle to Baltimore/Washington International Thurgood Marshall Airport (KBWI) in Baltimore. SkyMeter tracks roughly 843 scheduled flights on this route across 8 carriers. The most active operator is ASA (ASA). Average block time is 4h 47m. Departures average 33 minutes off schedule, with 74% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-900.

Scheduled
843
last 480 days
ADS-B observed
232
Airlines
8
Avg dep delay
33m
Late >15 min
73.8%
Cancel rate
0.36%

Recent observed flights

From ADS-B trace data

2026-08-27 17:11  →  2026-08-27 23:01  ·  5h 49m
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2026-08-27 05:24  →  2026-08-27 10:08  ·  4h 44m
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2026-08-26 17:20  →  2026-08-26 22:07  ·  4h 47m
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2026-08-25 06:35  →  2026-08-25 11:31  ·  4h 55m
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2026-08-25 05:35  →  2026-08-25 10:13  ·  4h 38m
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2026-08-24 17:45  →  2026-08-24 22:52  ·  5h 6m
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2026-08-23 17:20  →  2026-08-23 22:04  ·  4h 44m
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2026-08-23 05:24  →  2026-08-23 10:08  ·  4h 43m
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2026-08-23 05:16  →  2026-08-23 09:55  ·  4h 38m
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2026-08-22 17:30  →  2026-08-22 22:18  ·  4h 48m
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Codeshare partnerships

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

sells ASA 584
sells ASA 532
sells ASA 14

Looking for the return flight?

View KBWI → KSEA