Home / Routes / KDEN → KSTL4,444 scheduled
DEN STL1h 57m

The route from Denver International Airport (KDEN) in Denver to St Louis Lambert International Airport (KSTL) in St Louis. SkyMeter tracks roughly 4,444 scheduled flights on this route across 16 carriers. The most active operator is SWA (SWA). Average block time is 1h 54m. Departures average 33 minutes off schedule, with 55% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737-800.

Scheduled
4,444
last 487 days
ADS-B observed
933
Airlines
16
Avg dep delay
33m
Late >15 min
54.8%
Cancel rate
0.61%

Airlines on this route

10 carriers · scheduled

Southwest Airlines Co
SWA · WN · 2,604 flights · avg 34m delay · 56.5% late
21 cancelled
United Airlines
UAL · UA · 1,512 flights · avg 35m delay · 57.6% late
6 cancelled
Frontier Airlines
FFT · F9 · 314 flights · avg 19m delay · 28.3% late
Netjets Aviation
EJA · 1I · 4 flights · avg 51m delay · 50.0% late
Sky West Aviation
SKW · OO · 4 flights · avg 13m delay · 0.0% late
Global Crossing Airlines
GXA · G6 · 2 flights · avg 10m delay · 0.0% late
Mn Airlines D/B/A Sun Country Airlines
SCX · SY · 1 flights · avg 103m delay · 100.0% late
Key Lime Air
LYM · KG · 1 flights · avg 1m delay · 0.0% late
Wup
WUP · 1 flights · avg —m delay · 0.0% late
Air Canada
ACA · AC · 1 flights · avg 57m delay · 100.0% late

Recent observed flights

From ADS-B trace data

SWA150N9000DB38M
2026-09-02 22:00  →  2026-09-02 23:45  ·  1h 45m
Replay
UAL1639N4901UA320
2026-09-02 19:44  →  2026-09-02 21:39  ·  1h 54m
Replay
UAL652N490UAA320
2026-09-02 15:41  →  2026-09-02 17:38  ·  1h 57m
Replay
SWA2035N8816QB38M
2026-09-02 14:32  →  2026-09-02 16:47  ·  2h 15m
Replay
SWA1694N478WNB737
2026-09-02 12:42  →  2026-09-02 14:19  ·  1h 37m
Replay
SWA241N8536ZB738
2026-09-01 22:18  →  2026-09-01 23:56  ·  1h 37m
Replay
UAL652N458UAA320
2026-09-01 15:30  →  2026-09-01 17:39  ·  2h 8m
Replay
SWA2035N8948QB38M
2026-09-01 14:29  →  2026-09-01 16:22  ·  1h 53m
Replay
SWA1694N435WNB737
2026-09-01 12:05  →  2026-09-01 14:28  ·  2h 22m
Replay
SWA3667N8879QB38M
2026-09-01 01:56  →  2026-09-01 04:24  ·  2h 28m
Replay

Codeshare partnerships

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

sells UAL 1226
sells FFT 214
sells ACA 1
sells ACA 1
sells ACA 1
sells UAL 1

Typical aircraft

Observed via ADS-B on this route

BOEING Boeing 737-800
B738
29%
of flights
BOEING Boeing 737 MAX 8
B38M
27%
of flights
BOEING Boeing 737-700
B737
17%
of flights
AIRBUS Airbus A319
A319
10%
of flights
AIRBUS Airbus A320
A320
7%
of flights
AIRBUS Airbus A320 Neo
A20N
5%
of flights
BOEING Boeing 737 MAX 9
B39M
1%
of flights
EMBRAER Embraer 175 long wing
E75L
0%
of flights

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