Home / Routes / KSTL → KMDW2,126 scheduled
STL MDW1h 0m

The route from St Louis Lambert International Airport (KSTL) in St Louis to Chicago Midway International Airport (KMDW) in Chicago. SkyMeter tracks roughly 2,126 scheduled flights on this route across 47 carriers. The most active operator is SWA (SWA). Average block time is 1h 5m. Departures average 27 minutes off schedule, with 39% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-700.

Scheduled
2,126
last 431 days
ADS-B observed
394
Airlines
47
Avg dep delay
27m
Late >15 min
39.0%
Cancel rate
1.46%

Airlines on this route

25 carriers · scheduled

Southwest Airlines Co
SWA · WN · 1,877 flights · avg 27m delay · 41.1% late
31 cancelled
Netjets Aviation
EJA · 1I · 165 flights · avg 20m delay · 12.1% late
Flexjet
LXJ · LXJ · 35 flights · avg 45m delay · 65.7% late
Executive Flight Services
XSR · 8 flights · avg 14m delay · 37.5% late
Jet Linx Aviation
JTL · JL · 7 flights · avg 30m delay · 28.6% late
Wup
WUP · 4 flights · avg 22m delay · 25.0% late
Spirit Jets
SJJ · 4 flights · avg —m delay · 0.0% late
· N7 · 3 flights · avg 0m delay · 0.0% late
Concesionaria Vuela Compania De Aviacion S.a. De C.v
VOI · Y4 · 2 flights · avg 168m delay · 50.0% late
Kalitta Flying Service
KFS · K9 · 2 flights · avg 22m delay · 50.0% late
Summit Aviation
YEL · 2 flights · avg 10m delay · 0.0% late
Tmp
TMP · 2 flights · avg 10m delay · 0.0% late
Vja
VJA · 2 flights · avg 10m delay · 50.0% late
Lgm Enterprises
JRE · 2 flights · avg 74m delay · 100.0% late
Frontier Airlines
FFT · F9 · 1 flights · avg 54m delay · 100.0% late

Recent observed flights

From ADS-B trace data

SWA556N7861JB737
2026-07-05 22:18  →  2026-07-05 23:04  ·  46m
Replay
SWA2570N8953QB38M
2026-07-05 14:10  →  2026-07-05 14:58  ·  48m
Replay
SWA217N7746CB737
2026-07-05 11:46  →  2026-07-05 19:37  ·  7h 50m
Replay
SWA1008N8973SB38M
2026-07-05 10:56  →  2026-07-05 11:41  ·  45m
Replay
EJA646N646QSC68A
2026-07-04 15:18  →  2026-07-04 16:03  ·  45m
Replay
SWA3957N286WNB737
2026-07-04 05:21  →  2026-07-04 06:17  ·  56m
Replay
SWA596N8537ZB738
2026-07-03 23:15  →  2026-07-04 00:24  ·  1h 9m
Replay
SWA2271N8734QB38M
2026-07-03 21:26  →  2026-07-03 22:13  ·  46m
Replay
SWA556N203WNB737
2026-07-03 20:50  →  2026-07-03 21:37  ·  46m
Replay
SWA1008N8931LB38M
2026-07-03 10:46  →  2026-07-03 11:50  ·  1h 4m
Replay

Codeshare partnerships

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

sells VOI 2

Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737-700
B737
45%
of flights
BOEING Boeing 737 MAX 8
B38M
22%
of flights
BOEING Boeing 737-800
B738
17%
of flights
BOMBARDIER Bombardier Challenger 350
CL35
4%
of flights
EMBRAER Embraer Phenom 300
E55P
3%
of flights
CESSNA Cessna Citation Latitude
C68A
2%
of flights
CESSNA Cessna Excel/XLS
C56X
1%
of flights
BOMBARDIER Bombardier (Canadair) Challenger 300
CL30
0%
of flights

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