ON TIMEBOARD

F9 4069 on time

Frontier Airlines 4069: Dallas to Denver at 9:31 p.m. (past 12 months)

On time
62%
226 flights · likely 56–68%
Cancelled
0.4%
of scheduled flights
Typical arrival
+1 min
median vs schedule
When late
+97 min
average delay
Similar flights
66%
F9, same route & hour

About 1 in 3 F9 4069 flights from Dallas arrived 15+ minutes late, diverted or cancelled over the past year (38%); 0.4% were cancelled. The typical flight landed 1 minutes late.

F9 4069: DFW → DEN

Scheduled to leave Dallas at 9:31 p.m. local time. Over the past year it arrived on time 62% of the time (226 flights), worse than other F9 flights on the route at that hour (66%). Last seen in the data Aug 31, 2026.

Usually Frontier Airlines's last flight of the day from Dallas to Denver (100% of days). Frontier Airlines's last DFW–DEN flight was cancelled 0.5% of the time, against 1.3% for its earlier ones. If it's cancelled, the next Frontier Airlines flight is usually around 5:18 a.m. the next morning.

Month by month

40%70%100%Aug 2025: 56% on time (25 flights)56AugSep 2025: 71% on time (28 flights)71SepOct 2025: 74% on time (31 flights)74OctNov 2025: 63% on time (19 flights)63NovDec 2025: 68% on time (19 flights)68DecJan 2026: too few flights (4 flights)JanMar 2026: 60% on time (15 flights)60MarApr 2026: too few flights (13 flights)AprMay 2026: 70% on time (20 flights)70MayJun 2026: 55% on time (22 flights)55JunJul 2026: 48% on time (29 flights)48JulAug 2026: 54% on time (26 flights)54Aug

By day of week

DayFlightsOn time
Monday3956%
Tuesday2268%
Wednesday15—
Thursday4367%
Friday4260%
Saturday2467%
Sunday4159%

Why it was late

Late inbound plane 73%Airline (crew, maintenance, ops) 17%Air traffic & airport (NAS) 9%

All flights DFW → DEN · Connecting off F9 4069? Check the risk

Questions

How often is F9 4069 from DFW to DEN late?

Frontier Airlines 4069 from Dallas/Fort Worth, TX to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 38% of 226 scheduled flights between September 2025 and August 2026. 0.4% 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.