Home / Routes / KMDW → KSEA958 scheduled

The route from Chicago Midway International Airport (KMDW) in Chicago to Seattle Tacoma International Airport (KSEA) in Seattle. SkyMeter tracks roughly 958 scheduled flights on this route across 7 carriers. The most active operator is SWA (SWA). Average block time is 3h 34m. Departures average 31 minutes off schedule, with 55% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737 MAX 8.

Scheduled
958
last 542 days
ADS-B observed
170
Airlines
7
Avg dep delay
31m
Late >15 min
55.3%
Cancel rate
1.15%

Recent observed flights

From ADS-B trace data

2026-10-25 15:38  →  2026-10-25 19:35  ·  3h 57m
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2026-10-25 00:14  →  2026-10-25 04:15  ·  4h 1m
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2026-10-24 16:42  →  2026-10-24 20:49  ·  4h 7m
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2026-10-24 03:39  →  2026-10-24 07:28  ·  3h 49m
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2026-10-23 03:50  →  2026-10-23 07:42  ·  3h 51m
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2026-10-18 15:14  →  2026-10-18 19:10  ·  3h 55m
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2026-10-18 00:28  →  2026-10-18 04:42  ·  4h 13m
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2026-10-17 03:41  →  2026-10-17 07:45  ·  4h 4m
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2026-10-16 04:41  →  2026-10-16 08:43  ·  4h 1m
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2026-10-13 04:37  →  2026-10-13 08:28  ·  3h 50m
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