ON TIMEBOARD

F9 4075 on time

Frontier Airlines 4075: Atlanta to Houston at 9:15 p.m. (past 12 months)

On time
60%
336 flights · likely 54–65%
Cancelled
2.4%
of scheduled flights
Typical arrival
+3 min
median vs schedule
When late
+104 min
average delay
Similar flights
59%
F9, same route & hour

About 1 in 2 F9 4075 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (40%); 2.4% were cancelled. The typical flight landed 3 minutes late.

F9 4075: ATL → IAH

Scheduled to leave Atlanta at 9:15 p.m. local time. Over the past year it arrived on time 60% of the time (336 flights), in line with other F9 flights on the route at that hour (59%). Last seen in the data Aug 31, 2026.

Usually Frontier Airlines's last flight of the day from Atlanta to Houston (95% of days). Frontier Airlines's last ATL–IAH flight was cancelled 2.5% of the time, against 1.1% for its earlier ones. If it's cancelled, the next Frontier Airlines flight is usually around 6:07 a.m. the next morning.

Month by month

20%60%100%Sep 2025: 82% on time (22 flights)82SepOct 2025: 55% on time (22 flights)55OctNov 2025: 50% on time (24 flights)50NovDec 2025: 71% on time (31 flights)71DecJan 2026: 57% on time (28 flights)57JanFeb 2026: 85% on time (27 flights)85FebMar 2026: 52% on time (31 flights)52MarApr 2026: 79% on time (28 flights)79AprMay 2026: 58% on time (31 flights)58MayJun 2026: 63% on time (30 flights)63JunJul 2026: 32% on time (31 flights)32JulAug 2026: 42% on time (31 flights)42Aug

By day of week

DayFlightsOn time
Monday5364%
Tuesday3661%
Wednesday4464%
Thursday5161%
Friday5256%
Saturday4957%
Sunday5157%

Why it was late

Late inbound plane 52%Airline (crew, maintenance, ops) 42%Air traffic & airport (NAS) 4%Severe weather 2%

All flights ATL → IAH · Connecting off F9 4075? Check the risk

Questions

How often is F9 4075 from ATL to IAH late?

Frontier Airlines 4075 from Atlanta, GA to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 40% of 336 scheduled flights between September 2025 and August 2026. 2.4% 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.