Home / Routes / KDEN → KSTL3,793 scheduled
DEN STL1h 56m

The route from Denver International Airport (KDEN) in Denver to St Louis Lambert International Airport (KSTL) in St Louis. SkyMeter tracks roughly 3,793 scheduled flights on this route across 17 carriers. The most active operator is SWA (SWA). Average block time is 2h 3m. Departures average 32 minutes off schedule, with 58% running more than 15 minutes late. The most common aircraft on this route is the BOEING Boeing 737 MAX 8.

Scheduled
3,793
last 431 days
ADS-B observed
901
Airlines
17
Avg dep delay
32m
Late >15 min
58.0%
Cancel rate
0.63%

Airlines on this route

9 carriers · scheduled

Southwest Airlines Co
SWA · WN · 2,240 flights · avg 33m delay · 59.6% late
18 cancelled
United Airlines
UAL · UA · 1,275 flights · avg 33m delay · 61.4% late
6 cancelled
Frontier Airlines
FFT · F9 · 267 flights · avg 17m delay · 28.8% late
Netjets Aviation
EJA · 1I · 4 flights · avg 51m delay · 50.0% late
Global Crossing Airlines
GXA · G6 · 2 flights · avg 10m delay · 0.0% late
Sky West Aviation
SKW · OO · 2 flights · avg —m delay · 0.0% late
Wup
WUP · 1 flights · avg —m delay · 0.0% late
Mn Airlines D/B/A Sun Country Airlines
SCX · SY · 1 flights · avg 103m delay · 100.0% late
Air Canada
ACA · AC · 1 flights · avg 57m delay · 100.0% late

Recent observed flights

From ADS-B trace data

UAL1639N879UAA319
2026-07-05 19:37  →  2026-07-05 21:23  ·  1h 46m
Replay
SWA556N7861JB737
2026-07-05 19:35  →  2026-07-05 21:22  ·  1h 47m
Replay
SWA1716N7833AB737
2026-07-05 16:36  →  2026-07-05 18:19  ·  1h 43m
Replay
SWA1634N8819LB38M
2026-07-05 12:47  →  2026-07-05 14:35  ·  1h 48m
Replay
SWA3780N8696EB738
2026-07-05 12:02  →  2026-07-05 14:00  ·  1h 58m
Replay
SWA1756N8838QB38M
2026-07-04 23:07  →  2026-07-05 01:32  ·  2h 25m
Replay
FFT3302N395FRA20N
2026-07-04 21:42  →  2026-07-04 23:47  ·  2h 5m
Replay
SWA320N7746CB737
2026-07-04 20:36  →  2026-07-04 22:25  ·  1h 49m
Replay
SWA103N8922QB38M
2026-07-04 16:22  →  2026-07-04 18:17  ·  1h 54m
Replay
UAL652N78285B738
2026-07-04 15:37  →  2026-07-04 17:19  ·  1h 42m
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 MAX 8
B38M
31%
of flights
BOEING Boeing 737-800
B738
30%
of flights
BOEING Boeing 737-700
B737
16%
of flights
AIRBUS Airbus A319
A319
12%
of flights
AIRBUS Airbus A320 Neo
A20N
4%
of flights
AIRBUS Airbus A320
A320
2%
of flights
AIRBUS Airbus A321
A321
0%
of flights
BOEING Boeing 737 MAX 9
B39M
0%
of flights

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