Home / Routes / KSEA → KATL3,697 scheduled

The route from Seattle Tacoma International Airport (KSEA) in Seattle to Hartsfield Jackson Atlanta International Airport (KATL) in Atlanta. SkyMeter tracks roughly 3,697 scheduled flights on this route across 12 carriers. The most active operator is DAL (DAL). Average block time is 4h 36m. Departures average 35 minutes off schedule, with 70% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-900.

Scheduled
3,697
last 473 days
ADS-B observed
839
Airlines
12
Avg dep delay
35m
Late >15 min
69.9%
Cancel rate
0.76%

Recent observed flights

From ADS-B trace data

2026-08-16 18:57  →  2026-08-16 23:45  ·  4h 48m
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2026-08-16 16:17  →  2026-08-16 20:53  ·  4h 36m
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2026-08-16 14:19  →  2026-08-16 18:59  ·  4h 40m
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2026-08-16 13:00  →  2026-08-16 17:28  ·  4h 27m
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2026-08-16 07:01  →  2026-08-16 11:34  ·  4h 32m
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2026-08-16 05:34  →  2026-08-16 10:10  ·  4h 35m
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2026-08-15 23:27  →  2026-08-16 04:09  ·  4h 42m
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2026-08-15 22:42  →  2026-08-16 03:34  ·  4h 52m
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2026-08-15 20:37  →  2026-08-16 01:46  ·  5h 8m
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2026-08-15 16:03  →  2026-08-15 20:36  ·  4h 33m
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Codeshare partnerships

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

sells DAL 1815
sells DAL 1622
sells DAL 1457
sells DAL 1302
sells DAL 1048
sells ASA 886
sells ASA 783
sells DAL 695
sells DAL 682
sells ASA 604
sells DAL 437
sells ASA 281
sells ASA 158
sells ASA 154

Looking for the return flight?

View KATL → KSEA