F91517 PhiladelphiaPHL Raleigh/DurhamRDU
F91517 by Frontier Airlines flies from Philadelphia (PHL) to Raleigh/Durham (RDU).
scheduled from PHL
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at PHL and RDU 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 Raleigh/Durham flights today
same route · Frontier AirlinesIf F91517 is cancelled, these are the other Frontier Airlines nonstop flights from Philadelphia to Raleigh/Durham 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 F91517 actually runs
Pro Flight Search has tracked every published board update for F91517 across the PHL and RDU boards: schedule changes, gate pushes and actual clocks. Combined risk score: 1.0/100. Based on airport operations, weather, and cached board history at PHL and RDU.
The verdict above is that record speaking, so it reflects how F91517 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around F91517? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — F91517 Philadelphia to Raleigh/Durham on-time performance, measured from the PHL and RDU airport boards.
https://proflightsearch.com/flight/F91517