F93439Frontier Airlines · DEN → SFO
live · 27m ago
Route confirmed Frontier Airlines

F93439 DenverDEN · 22:29 San FranciscoSFO · 00:15

F93439 by Frontier Airlines flies from Denver (DEN) to San Francisco (SFO) for the Sat, Oct 10 departure.

Right nowOn time · today · as of 04:20
22:29

departs DEN · on schedule

Typical gate push−7 minmedian posted departure
Typical arrival−18 minmedian over 6 operations
Wins back in air~11 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-09
+66 gate
10-08
−11 gate · −30 arrival
10-07
−8 gate · −24 arrival
10-06
−8 gate · −15 arrival
10-05
−7 gate · −18 arrival
10-04
−6 gate · −18 arrival
10-03
−17 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival −18 min · 0 cancelled · 7 operations tracked

The route today

live boards
DENDenverModerate riskDEN delay board →
SFOSan FranciscoOn-time likelySFO delay board →
DEN→SFOevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
52%Chance of 15+ min delay
2.1%Chance of cancellation
+18 minAvg hub delay right now

Conditions at DEN and SFO are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, 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 →

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 San Francisco flights today

same route · Frontier Airlines
F93435departs 06:55
F91229departs 08:59
F91093departs 13:48

If F93439 is cancelled, these are the other Frontier Airlines nonstop flights from Denver to San Francisco on the same day, with scheduled departure times in DEN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How F93439 actually runs

Pro Flight Search has tracked every published board update for F93439 across the DEN and SFO boards: schedule changes, gate pushes and actual clocks. Usually lands ~18 min early. Based on 6 confirmed landings · 6/6 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how F93439 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-09DEN 22:29 23:35 (+66)SFO 00:15
10-08DEN 22:29 22:18 (−11)SFO 00:15 23:45 (−30)
10-07DEN 22:29 22:21 (−8)SFO 00:14 23:50 (−24)
10-06DEN 22:29 22:21 (−8)SFO 00:14 23:59 (−15)
10-05DEN 22:29 22:22 (−7)SFO 00:14 23:56 (−18)
10-04DEN 22:29 22:23 (−6)SFO 00:14 23:56 (−18)
10-03DEN 22:29SFO 00:14 23:57 (−17)

Aircraft

Recent tails: N360FR, N324FR, N615FR, N369FR.

Board clocks recorded as DEN and SFO published them.

Planning around F93439? 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 — F93439 Denver to San Francisco on-time performance, measured from the DEN and SFO airport boards.

Canonical URL
https://proflightsearch.com/flight/F93439
How we measure this →