F91204Frontier Airlines · MIA → PHL
live · 29m ago
Route confirmed Frontier Airlines

F91204 MiamiMIA · 20:50 PhiladelphiaPHL · 03:47

F91204 by Frontier Airlines flies from Miami (MIA) to Philadelphia (PHL).

Right nowNext departure today Operates daily
20:50

scheduled from MIA

Typical gate push+24 minmedian posted departure
Wins back in air~46 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+54+108+162 min
10-25
+162 gate
10-24
+12 gate · −22 arrival
10-23
+23 gate
10-22
+24 gate

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

The route today

live boards
MIAMiamiHigh riskMIA delay board →
PHLPhiladelphiaOn-time likelyPHL delay board →
MIA→PHLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
34%Chance of 15+ min delay
1.7%Chance of cancellation
+7 minTypical airport delay in this weather

Conditions at MIA and PHL 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 Miami

Forecast

Wed 4 Nov, local date

High29°Clikely 28°C to 30°C
Low24°Clikely 23°C to 25°C
  • 44% chance of thunder
  • 87% chance of rain

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 Philadelphia

Forecast

Wed 4 Nov, local date

High23°Clikely 21°C to 24°C
Low12°Clikely 9°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 Miami to Philadelphia flights today

same route · Frontier Airlines
F93380departs 14:50
F94954departs 20:46

If F91204 is cancelled, these are the other Frontier Airlines nonstop flights from Miami to Philadelphia on the same day, with scheduled departure times in MIA 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 F91204 actually runs

Pro Flight Search has tracked every published board update for F91204 across the MIA and PHL boards: schedule changes, gate pushes and actual clocks. Usually lands ~22 min early. Based on 1 confirmed landing · 1/1 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 F91204 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
10-25MIA 20:50 23:32 (+162)PHL
10-24MIA 20:50 21:02 (+12)PHL 03:47 03:25 (−22)
10-23MIA 20:50 21:13 (+23)PHL
10-22MIA 20:50 21:14 (+24)PHL

Aircraft

Recent tails: N709FR, N708FR, N238FR, N236FR.

Board clocks recorded as MIA and PHL published them.

Planning around F91204? 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: F91204 Miami to Philadelphia on-time performance, measured from the MIA and PHL airport boards.

Canonical URL
https://proflightsearch.com/flight/F91204
How we measure this →