F91849Frontier Airlines · LAS → SFO
live · 10m ago
Route confirmed Frontier Airlines

F91849 Las VegasLAS San FranciscoSFO

F91849 by Frontier Airlines flies from Las Vegas (LAS) to San Francisco (SFO).

Right nowNext departure today Operates daily
17:15

scheduled from LAS

The route today

live boards
LASLas VegasOn-time likelyLAS delay board →
SFOSan FranciscoHigh riskSFO delay board →
LAS→SFOevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
42%Chance of 15+ min delay
0.7%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at LAS and SFO 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 Las Vegas

Forecast

Sat 14 Nov, local date

High20°Clikely 17°C to 22°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 San Francisco

Forecast

Sat 14 Nov, local date

High19°Clikely 17°C to 20°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.

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 Las Vegas to San Francisco flights today

same route · Frontier Airlines
F93019departs 06:30
F94401departs 10:57
F93801departs 15:19
F94157departs 15:19
F92185departs 20:09

If F91849 is cancelled, these are the other Frontier Airlines nonstop flights from Las Vegas to San Francisco on the same day, with scheduled departure times in LAS 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 F91849 actually runs

Pro Flight Search has tracked every published board update for F91849 across the LAS and SFO boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at LAS and SFO.

The verdict above is that record speaking, so it reflects how F91849 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around F91849? 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: F91849 Las Vegas to San Francisco on-time performance, measured from the LAS and SFO airport boards.

Canonical URL
https://proflightsearch.com/flight/F91849
How we measure this →