Home / Routes / KSTL → KMDW2,277 scheduled

The route from St Louis Lambert International Airport (KSTL) in St Louis to Chicago Midway International Airport (KMDW) in Chicago. SkyMeter tracks roughly 2,277 scheduled flights on this route across 44 carriers. The most active operator is SWA (SWA). Average block time is 1h 3m. Departures average 27 minutes off schedule, with 38% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-700.

Scheduled
2,277
last 473 days
ADS-B observed
387
Airlines
44
Avg dep delay
27m
Late >15 min
38.0%
Cancel rate
1.76%

Recent observed flights

From ADS-B trace data

2026-08-19 16:43  →  2026-08-19 17:22  ·  39m
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2026-08-18 20:47  →  2026-08-18 21:36  ·  48m
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2026-08-18 17:53  →  2026-08-18 18:35  ·  42m
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2026-08-18 15:58  →  2026-08-18 17:02  ·  1h 3m
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2026-08-18 15:49  →  2026-08-18 16:41  ·  52m
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2026-08-17 23:28  →  2026-08-18 00:13  ·  44m
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2026-08-17 22:29  →  2026-08-17 23:30  ·  1h 1m
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2026-08-17 19:26  →  2026-08-17 20:08  ·  41m
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2026-08-17 11:20  →  2026-08-17 12:06  ·  45m
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2026-08-16 20:35  →  2026-08-16 21:22  ·  46m
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View KMDW → KSTL