ORD → PHL Frontier Airlines

Frontier Airlines · Chicago, IL to Philadelphia, PA · 189 flights, 2025-07-03 to 2026-06-29 · aggregated across 2 flight numbers

This route runs much more reliably at some times of day than others — 80% on-time departing 3–6am vs. 41% departing 3–6pm.
On-time arrival
62%
Median delay
+1 min
90th percentile
+145 min
Cancellation rate
4%

How on-time is Frontier Airlines from ORD to PHL?

Across every Frontier Airlines flight number on ORD → PHL (189 flights, 2025-07-03 to 2026-06-29), 62% arrived within 15 minutes of schedule. Median arrival delay +1 min; the worst 10% ran +145 min or later. 4% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time11262%
16-30 min148%
31-60 min127%
61-120 min1810%
2+ hrs2614%

Performance by month

MonthFlightsOn-timeAvg delay
2025-071638%+140 min
2025-081741%+84 min
2025-091681%-4 min
2025-102171%+33 min
2025-111759%+20 min
2025-121155%+64 min
2026-011362%+104 min
2026-02771%+36 min
2026-03757%+22 min
2026-041656%+34 min
2026-052176%+10 min
2026-062065%+30 min

Performance by day of week

DayFlightsOn-time
Mon4560%
TueNo data—
Wed475%
Thu3476%
Fri4860%
Sat1267%
Sun3949%

F9 flight numbers on ORD → PHL

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…