Home / Routes / KSEA → KBWI849 scheduled

The route from Seattle Tacoma International Airport (KSEA) in Seattle to Baltimore/Washington International Thurgood Marshall Airport (KBWI) in Baltimore. SkyMeter tracks roughly 849 scheduled flights on this route across 8 carriers. The most active operator is ASA (ASA). Average block time is 4h 46m. Departures average 33 minutes off schedule, with 73% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-900.

Scheduled
849
last 487 days
ADS-B observed
246
Airlines
8
Avg dep delay
33m
Late >15 min
73.3%
Cancel rate
0.35%

Recent observed flights

From ADS-B trace data

2026-09-06 05:44  →  2026-09-06 10:25  ·  4h 41m
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2026-09-05 17:12  →  2026-09-05 22:04  ·  4h 51m
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2026-09-05 05:43  →  2026-09-05 10:20  ·  4h 37m
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2026-09-04 16:56  →  2026-09-04 21:47  ·  4h 50m
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2026-09-04 05:37  →  2026-09-04 10:26  ·  4h 48m
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2026-09-04 05:31  →  2026-09-04 10:22  ·  4h 50m
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2026-09-03 05:45  →  2026-09-03 10:34  ·  4h 48m
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2026-09-03 05:35  →  2026-09-03 10:17  ·  4h 42m
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2026-09-02 17:27  →  2026-09-02 22:27  ·  4h 59m
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2026-09-02 05:36  →  2026-09-02 10:29  ·  4h 52m
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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