Home / Routes / KSEA → KMIA1,489 scheduled

The route from Seattle Tacoma International Airport (KSEA) in Seattle to Miami International Airport (KMIA) in Miami. SkyMeter tracks roughly 1,489 scheduled flights on this route across 14 carriers. The most active operator is AAL (AAL). Average block time is 5h 17m. Departures average 31 minutes off schedule, with 64% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus A321 Neo.

Scheduled
1,489
last 493 days
ADS-B observed
329
Airlines
14
Avg dep delay
31m
Late >15 min
64.3%
Cancel rate
0.81%

Recent observed flights

From ADS-B trace data

2026-09-08 17:11  →  2026-09-08 23:00  ·  5h 49m
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2026-09-08 15:10  →  2026-09-08 20:59  ·  5h 48m
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2026-09-08 02:58  →  2026-09-08 09:15  ·  6h 17m
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2026-09-06 03:38  →  2026-09-06 09:11  ·  5h 33m
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2026-09-05 15:08  →  2026-09-05 20:56  ·  5h 47m
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2026-09-05 15:01  →  2026-09-05 20:45  ·  5h 44m
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2026-09-05 03:16  →  2026-09-05 10:05  ·  6h 49m
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2026-09-04 15:15  →  2026-09-04 21:04  ·  5h 48m
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2026-09-04 15:04  →  2026-09-04 20:54  ·  5h 49m
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2026-09-04 03:49  →  2026-09-04 09:29  ·  5h 40m
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Codeshare partnerships

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

sells ASA 382
sells DAL 359
sells ASA 331
sells AAL 115
sells AAL 63
sells ASA 50

Looking for the return flight?

View KMIA → KSEA