Home / Routes / KMIA → KSEA1,391 scheduled

The route from Miami International Airport (KMIA) in Miami to Seattle Tacoma International Airport (KSEA) in Seattle. SkyMeter tracks roughly 1,391 scheduled flights on this route across 10 carriers. The most active operator is ASA (ASA). Average block time is 6h 27m. Departures average 52 minutes off schedule, with 76% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus A321 Neo.

Scheduled
1,391
last 445 days
ADS-B observed
336
Airlines
10
Avg dep delay
52m
Late >15 min
75.7%
Cancel rate
0.93%

Recent observed flights

From ADS-B trace data

2026-07-19 12:36  →  2026-07-19 18:16  ·  5h 39m
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2026-07-19 01:01  →  2026-07-19 07:06  ·  6h 4m
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2026-07-19 00:15  →  2026-07-19 05:58  ·  5h 42m
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2026-07-18 22:54  →  2026-07-19 04:47  ·  5h 53m
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2026-07-18 11:28  →  2026-07-18 17:34  ·  6h 5m
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2026-07-18 02:20  →  2026-07-18 07:56  ·  5h 35m
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2026-07-17 23:06  →  2026-07-18 04:59  ·  5h 53m
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2026-07-17 22:55  →  2026-07-18 04:56  ·  6h 1m
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2026-07-17 12:29  →  2026-07-17 18:19  ·  5h 49m
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2026-07-17 01:11  →  2026-07-17 07:56  ·  6h 44m
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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