Home / Routes / KMIA → KSEA1,554 scheduled

The route from Miami International Airport (KMIA) in Miami to Seattle Tacoma International Airport (KSEA) in Seattle. SkyMeter tracks roughly 1,554 scheduled flights on this route across 10 carriers. The most active operator is AAL (AAL). Average block time is 6h 5m. Departures average 50 minutes off schedule, with 71% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus A321 Neo.

Scheduled
1,554
last 494 days
ADS-B observed
341
Airlines
10
Avg dep delay
50m
Late >15 min
70.8%
Cancel rate
0.90%

Recent observed flights

From ADS-B trace data

2026-09-08 01:28  →  2026-09-08 07:28  ·  6h 0m
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2026-09-08 00:54  →  2026-09-08 06:36  ·  5h 42m
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2026-09-08 00:00  →  2026-09-08 06:25  ·  6h 24m
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2026-09-05 00:34  →  2026-09-05 06:10  ·  5h 35m
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2026-09-04 22:58  →  2026-09-05 04:42  ·  5h 44m
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2026-09-04 22:31  →  2026-09-05 04:19  ·  5h 48m
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2026-09-04 00:53  →  2026-09-04 07:04  ·  6h 10m
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2026-09-03 00:38  →  2026-09-03 06:06  ·  5h 27m
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2026-09-02 01:20  →  2026-09-02 07:12  ·  5h 52m
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2026-09-02 00:00  →  2026-09-02 05:45  ·  5h 45m
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Codeshare partnerships

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

sells ASA 383
sells DAL 360
sells AAL 358
sells AAL 348
sells ASA 331
sells AAL 50
sells ASA 20

Looking for the return flight?

View KSEA → KMIA