ON TIMEBOARD

F9 1441 on time

Frontier Airlines 1441: Atlanta to Chicago at 6:35 a.m. (past 12 months)

On time
72%
342 flights · likely 67–76%
Cancelled
1.5%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+94 min
average delay
Similar flights
81%
F9, same route & hour

About 1 in 4 F9 1441 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (28%); 1.5% were cancelled. The typical flight landed 1 minutes early.

F9 1441: ATL → ORD

Scheduled to leave Atlanta at 6:35 a.m. local time. Over the past year it arrived on time 72% of the time (342 flights), worse than other F9 flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 83% on time (23 flights)83SepOct 2025: 83% on time (30 flights)83OctNov 2025: 67% on time (30 flights)67NovDec 2025: 45% on time (31 flights)45DecJan 2026: 52% on time (23 flights)52JanFeb 2026: 91% on time (23 flights)91FebMar 2026: 55% on time (31 flights)55MarApr 2026: 61% on time (28 flights)61AprMay 2026: 81% on time (31 flights)81MayJun 2026: 83% on time (30 flights)83JunJul 2026: 87% on time (31 flights)87JulAug 2026: 74% on time (31 flights)74Aug

By day of week

DayFlightsOn time
Monday5066%
Tuesday4772%
Wednesday4473%
Thursday5186%
Friday4969%
Saturday4963%
Sunday5271%

Why it was late

Late inbound plane 48%Airline (crew, maintenance, ops) 30%Air traffic & airport (NAS) 22%

All flights ATL → ORD · Connecting off F9 1441? Check the risk

Questions

How often is F9 1441 from ATL to ORD late?

Frontier Airlines 1441 from Atlanta, GA to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 28% of 342 scheduled flights between September 2025 and August 2026. 1.5% 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.