Home / Routes / KSEA → KMIA1,317 scheduled

The route from Seattle Tacoma International Airport (KSEA) in Seattle to Miami International Airport (KMIA) in Miami. SkyMeter tracks roughly 1,317 scheduled flights on this route across 15 carriers. The most active operator is AAL (AAL). Average block time is 5h 38m. Departures average 31 minutes off schedule, with 68% running more than 15 minutes late. The most common aircraft on this route is the AIRBUS Airbus A321 Neo.

Scheduled
1,317
last 445 days
ADS-B observed
315
Airlines
15
Avg dep delay
31m
Late >15 min
68.5%
Cancel rate
0.84%

Recent observed flights

From ADS-B trace data

2026-07-19 15:17  →  2026-07-19 21:03  ·  5h 45m
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2026-07-19 15:05  →  2026-07-19 21:06  ·  6h 0m
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2026-07-19 04:08  →  2026-07-19 09:35  ·  5h 26m
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2026-07-18 19:02  →  2026-07-19 00:44  ·  5h 41m
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2026-07-18 15:16  →  2026-07-18 21:02  ·  5h 46m
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2026-07-18 15:02  →  2026-07-18 20:54  ·  5h 51m
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2026-07-18 03:48  →  2026-07-18 09:30  ·  5h 41m
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2026-07-17 20:00  →  2026-07-18 01:48  ·  5h 47m
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2026-07-17 15:25  →  2026-07-17 21:30  ·  6h 4m
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2026-07-17 15:24  →  2026-07-17 21:21  ·  5h 57m
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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