Home / Routes / KCPS → KSEA3 scheduled
CPS SEA4h 6m

The route from St Louis Downtown Airport (KCPS) in Cahokia/St Louis to Seattle Tacoma International Airport (KSEA) in Seattle. SkyMeter tracks roughly 3 scheduled flights on this route across 1 carrier. The most active operator is DAL (DAL). Average block time is 4h 3m. Departures average 40 minutes off schedule, with 67% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-900.

Scheduled
3
last 228 days
ADS-B observed
1
Airlines
1
Avg dep delay
40m
Late >15 min
66.7%
Cancel rate
0.00%

Airlines on this route

2 carriers · scheduled

Delta Air Lines
DAL · DL · 2 flights · avg 57m delay · 100.0% late
Mn Airlines D/B/A Sun Country Airlines
SCX · SY · 1 flights · avg 5m delay · 0.0% late

Recent observed flights

From ADS-B trace data

ASA388N408ASB739
2026-09-17 20:21  →  2026-09-18 00:27  ·  4h 6m
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ASA618N491ASB739
2026-07-08 20:05  →  2026-07-09 00:21  ·  4h 15m
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SWA3981N8723QB38M
2026-07-07 17:18  →  2026-07-07 20:58  ·  3h 39m
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SCX8728N835SYB738
2026-04-17 19:36  →  2026-04-17 23:46  ·  4h 10m
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ASA618N408ASB739
2026-01-20 20:49  →  2026-01-21 01:21  ·  4h 32m
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ASA388N486ASB739
2025-10-10 21:01  →  2025-10-11 01:20  ·  4h 18m
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ASA388N706ALB39M
2025-09-24 20:46  →  2025-09-25 00:44  ·  3h 57m
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ASA291N725ALB39M
2025-09-11 23:39  →  2025-09-12 03:42  ·  4h 2m
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DAL8886N662DNB752
2025-09-07 23:08  →  2025-09-08 02:58  ·  3h 49m
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DAL8840N666DNB752
2025-08-31 23:36  →  2025-09-01 03:28  ·  3h 51m
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Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737-900
B739
100%
of flights

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View KSEA → KCPS