F91248Frontier Airlines · DEN → GRR
live · 40m ago
Route confirmed Frontier Airlines

F91248 DenverDEN · 14:31 Grand RapidsGRR · 19:06

F91248 by Frontier Airlines flies from Denver (DEN) to Grand Rapids (GRR) for the Sun, Sep 6 departure.

Right nowLanded in Grand Rapids · today
18:41

arrived at GRR · 25 min early

Typical gate push−8 minmedian posted departure
Typical arrival−25 minmedian over 7 operations
Wins back in air~17 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
09-06
−18 gate · −25 arrival
09-04
−5 gate · −30 arrival
09-03
−7 gate · −31 arrival
08-31
−12 gate · −32 arrival
08-30
−8 gate · −21 arrival
08-29
−18 gate · +3 arrival
08-28
−13 gate · −22 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 −25 min · 0 cancelled · 8 operations tracked

The route today

live boards
DENDenverOn-time likelyDEN delay board →
GRRGrand RapidsOn-time likelyGRR delay board →
DEN→GRRevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
46%Chance of 15+ min delay
2.5%Chance of cancellation
+12 minAvg hub delay right now

Conditions at DEN and GRR 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.

How F91248 actually runs

Pro Flight Search has tracked every published board update for F91248 across the DEN and GRR boards: schedule changes, gate pushes and actual clocks. Usually lands ~22 min early. Based on 7 confirmed landings · 7/7 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 F91248 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
09-06DEN 14:31 14:13 (−18)GRR 19:06 18:41 (−25)
09-04DEN 14:31 14:26 (−5)GRR 19:06 18:36 (−30)
09-03DEN 14:31 14:24 (−7)GRR 19:06 18:35 (−31)
08-31DEN 14:31 14:19 (−12)GRR 19:06 18:34 (−32)
08-30DEN 14:31 14:23 (−8)GRR 19:06 18:45 (−21)
08-29DEN 14:31 14:13 (−18)GRR 18:33 18:36 (+3)
08-28DEN 14:31 14:18 (−13)GRR 19:06 18:44 (−22)
08-27DEN 14:31 14:30 (−1)GRR

Aircraft

Recent tails: N645FR, N763FR, N673FR, N636FR.

Board clocks recorded as DEN and GRR published them.

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 — F91248 Denver to Grand Rapids on-time performance, measured from the DEN and GRR airport boards.

Canonical URL
https://proflightsearch.com/flight/F91248
How we measure this →