F91859Frontier Airlines · AUS → DEN
live · 15m ago
Route confirmed Frontier Airlines

F91859 AustinAUS DenverDEN

F91859 by Frontier Airlines flies from Austin (AUS) to Denver (DEN).

Right nowNext departure today Operates daily
20:15

scheduled from AUS

The route today

live boards
AUSAustinOn-time likelyAUS delay board →
DENDenverModerate riskDEN delay board →
AUS→DENevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
39%Chance of 15+ min delay
1.7%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at AUS and DEN 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 Austin

Forecast

Fri 6 Nov, local date

High22°Clikely 20°C to 24°C
Low12°Clikely 10°C to 14°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 Denver

Forecast

Fri 6 Nov, local date

High14°Clikely 12°C to 16°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 Austin to Denver flights today

same route · Frontier Airlines
F91815departs 13:25
F92047departs 20:21
F98065departs 20:21
F99859departs 23:59

If F91859 is cancelled, these are the other Frontier Airlines nonstop flights from Austin to Denver on the same day, with scheduled departure times in AUS 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 F91859 actually runs

Pro Flight Search has tracked every published board update for F91859 across the AUS and DEN boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at AUS and DEN.

The verdict above is that record speaking, so it reflects how F91859 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: F91859 Austin to Denver on-time performance, measured from the AUS and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/F91859
How we measure this →