ON TIMEBOARD

F9 1101 on time

Frontier Airlines 1101: Philadelphia to Atlanta at 1:32 p.m. (past 12 months)

On time
58%
214 flights · likely 51–64%
Cancelled
1.4%
of scheduled flights
Typical arrival
+6 min
median vs schedule
When late
+82 min
average delay
Similar flights
52%
F9, same route & hour

About 1 in 2 F9 1101 flights from Philadelphia arrived 15+ minutes late, diverted or cancelled over the past year (42%); 1.4% were cancelled. The typical flight landed 6 minutes late.

F9 1101: PHL → ATL

Scheduled to leave Philadelphia at 1:32 p.m. local time. Over the past year it arrived on time 58% of the time (214 flights), better than other F9 flights on the route at that hour (52%). Last seen in the data Aug 31, 2026.

Month by month

20%60%100%Sep 2025: 65% on time (23 flights)65SepOct 2025: 83% on time (30 flights)83OctNov 2025: 47% on time (15 flights)47NovDec 2025: too few flights (5 flights)DecJan 2026: too few flights (6 flights)JanFeb 2026: too few flights (9 flights)FebMar 2026: too few flights (6 flights)MarApr 2026: too few flights (11 flights)AprMay 2026: 44% on time (18 flights)44MayJun 2026: 69% on time (29 flights)69JunJul 2026: 32% on time (31 flights)32JulAug 2026: 32% on time (31 flights)32Aug

By day of week

DayFlightsOn time
Monday3047%
Tuesday3373%
Wednesday2882%
Thursday3256%
Friday3345%
Saturday2446%
Sunday3456%

Why it was late

Late inbound plane 37%Air traffic & airport (NAS) 32%Airline (crew, maintenance, ops) 28%Severe weather 3%

All flights PHL → ATL · Connecting off F9 1101? Check the risk

Questions

How often is F9 1101 from PHL to ATL late?

Frontier Airlines 1101 from Philadelphia, PA to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 42% of 214 scheduled flights between September 2025 and August 2026. 1.4% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Frontier Airlines for today's flight. Method.