DEN → STLDenver to St Louis

live

Direct flights from Denver (DEN) to St Louis (STL): 63 nonstop departures observed each week across 3 airlines. 54% of the last 13 tracked flights arrived within 15 minutes of schedule. The median arrival is 6 minutes early. 3 of the 19 tracked flights were cancelled. The nonstop covers 1,236 km, an estimated 2 hours 5 minutes in the air. Measured by Pro Flight Search from live flight boards at Denver and St Louis. Updated 14 November 2026 at 14:08 UTC.

Today, DEN → STL

Sat 14 Nov · local times
  1. 06:45 WN1839Southwest Airlines Est. 06:55 +10Gate C57 STL est. 09:44sched 09:50
  2. 09:35 UA652United Airlines On scheduleGate B43 ·
  3. 11:10 WN1807Southwest Airlines On scheduleGate C67 ·
  4. 13:55 UA1639United Airlines On scheduleGate B7 ·
  5. 15:20 WN2170Southwest Airlines Est. 15:25 +5Gate C43 ·
  6. 16:09 F93302Frontier Airlines On scheduleGate A54 ·
  7. 17:25 WN1843Southwest Airlines On scheduleGate C51 ·
  8. 17:52 UA1422United Airlines On scheduleGate B35 ·

Checked DEN board 07:08 · STL board 06:18

DEN Denver smooth · +11
STL St Louis disrupted · +291
1,236 km · ~2h 05m est.
dep bank 06:30–19:2063x weekly
Runs rough · 3 airlines · 63x weekly · nonstop
54% on time

of the last 13 tracked DEN → STL flights arrived within 15 minutes

Median arrival delay is −6 min. 3 of 19 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−6 minacross the last 10 arrivals
Flight time~2h 05mestimated from route distance
Weekly departures63x3 direct airlines on the leg
Cancelled15.8%recent route rate · 3 of 19

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Frontier AirlinesSouthwest AirlinesUnited Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Frontier AirlinesF9

Flights F93302 16:09 Mo We Fr Sa

Southwest AirlinesWN50% on time

Flights WN1839 06:30 Mo Th Fr Sa Su · WN1840 08:10 Mo Tu We Th Fr Su · WN1807 varies daily · WN2170 varies daily

United AirlinesUA67% on time

Flights UA652 09:35 daily · UA1639 13:55 daily · UA1422 17:52 daily

History

operated legs · board outcomes
11-13F93302dep +243 → arr+236
11-13UA1422cancelledCNX
11-13UA1639cancelledCNX
11-13UA652dep −4 → arr−6
11-13WN1807dep +351 → arr−16
11-13WN1839dep −11 → arr−24
11-13WN1840dep +7 → arr−12
11-13WN1843dep +265 → arr+260
11-13WN1844cancelledCNX
11-13WN2170dep +388 → arr+372
11-12UA1422dep −7 → arr−20
11-12UA1639dep −7 → arr−9
11-12UA652dep +4 → arr+2
11-12WN1807departed+14
11-12WN1839departed+0
11-12WN1840departed−3
11-12WN1843departed+43
11-12WN1844departed+68
11-12WN2170departed+21

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
DENDenver +11 min smooth 🌫 overcast · W 6 kt Full DEN delay board →
STLSt Louis +291 min disrupted 🌤 few clouds · W 5 kt Full STL delay board →

Weather lens

Conditions are tightest at DEN: a 44% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +13 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →

How the Denver to St Louis route actually runs

Pro Flight Search records official board updates for nonstop DEN to STL flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: Denver (DEN) to St Louis (STL) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/DEN-STL
How we measure this →

DEN to STL questions

Is DEN–STL running on time right now?

Significant delay risk. The arrival side at STL is the weaker end, route health score 42/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on DEN–STL?

Operators schedule morning departures around 06:30 and evening departures around 17:52 from DEN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the STL delay card to confirm conditions when you'd arrive.

How long is the flight from DEN to STL?

Great-circle distance is 1,236 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 117–136 min gate-to-gate on this route.

How often does DEN–STL fly?

3 carriers operate this route, around 63 flights a week between them. Compare carrier days and times in the airline list above.