F91166 PhiladelphiaPHL · 15:55 San JuanSJU · 15:57
F91166 by Frontier Airlines flies from Philadelphia (PHL) to San Juan (SJU) for the Sun, Sep 6 departure.
estimated arrival at SJU · local time · ~42 min from now
board checked 3m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 17:27 · typical taxi-out at PHL ≈ 7.9 min. No receiver coverage over open ocean.
Where the minutes go
last 7 operations · gate push → arrivalThe 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 operationmedian arrival +81 min · 0 cancelled · 10 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at PHL and SJU 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Philadelphia to San Juan flights today
same route · Frontier AirlinesIf F91166 is cancelled, these are the other Frontier Airlines nonstop flights from Philadelphia to San Juan on the same day, with scheduled departure times in PHL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How F91166 actually runs
Pro Flight Search has tracked every published board update for F91166 across the PHL and SJU boards: schedule changes, gate pushes and actual clocks. Usually lands ~48 min late. Based on 7 confirmed landings · 2/7 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 F91166 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N723FR, N622FR, N679FR, N611FR.
Board clocks recorded as PHL and SJU published them.
Planning around F91166? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — F91166 Philadelphia to San Juan on-time performance, measured from the PHL and SJU airport boards.
https://proflightsearch.com/flight/F91166
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