F94478Frontier Airlines · DEN → STL
live · 36m ago
Route confirmed Frontier Airlines

F94478 DenverDEN St LouisSTL

F94478 by Frontier Airlines flies from Denver (DEN) to St Louis (STL).

Right nowNext departure today Operates Mon Wed Fri Sat
20:50

scheduled from DEN

The route today

live boards
DENDenverOn-time likelyDEN delay board →
STLSt LouisOn-time likelySTL delay board →
DEN→STLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
1.5%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at DEN and STL are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at Denver

Forecast

Sat 7 Nov, local date

High17°Clikely 16°C to 19°C
Low1°Clikely 0°C to 3°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at St Louis

Forecast

Sat 7 Nov, local date

High11°Clikely 9°C to 12°C
Low2°Clikely 0°C to 3°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Denver to St Louis flights today

same route · Frontier Airlines
F93302departs 12:21

If F94478 is cancelled, this is the other Frontier Airlines nonstop flight from Denver to St Louis on the same day, with scheduled departure times in DEN local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How F94478 actually runs

Pro Flight Search has tracked every published board update for F94478 across the DEN and STL boards: schedule changes, gate pushes and actual clocks. Combined risk score: 1.8/100. Based on airport operations, weather, and cached board history at DEN and STL.

The verdict above is that record speaking, so it reflects how F94478 operates rather than what the timetable promises. Numbers refresh as new flights operate.

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: F94478 Denver to St Louis on-time performance, measured from the DEN and STL airport boards.

Canonical URL
https://proflightsearch.com/flight/F94478
How we measure this →