ON TIMEBOARD

F9 1450 on time

Frontier Airlines 1450: Denver to Atlanta at 11:59 p.m. (past 12 months)

On time
62%
179 flights · likely 55–69%
Cancelled
2.8%
of scheduled flights
Typical arrival
+5 min
median vs schedule
When late
+69 min
average delay
Similar flights
61%
F9, same route & hour

About 1 in 3 F9 1450 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (38%); 2.8% were cancelled. The typical flight landed 5 minutes late.

F9 1450: DEN → ATL

Scheduled to leave Denver at 11:59 p.m. local time. Over the past year it arrived on time 62% of the time (179 flights), in line with other F9 flights on the route at that hour (61%). Last seen in the data Aug 31, 2026.

Usually Frontier Airlines's last flight of the day from Denver to Atlanta (99% of days). Frontier Airlines's last DEN–ATL flight was cancelled 1.8% of the time, against 0.2% for its earlier ones. If it's cancelled, the next Frontier Airlines flight is usually around 6:30 a.m. the next morning.

Month by month

40%70%100%Jan 2025: 78% on time (27 flights)78JanFeb 2025: 79% on time (24 flights)79FebMar 2025: 65% on time (20 flights)65MarApr 2025: too few flights (12 flights)AprNov 2025: too few flights (1 flights)NovFeb 2026: too few flights (1 flights)FebMar 2026: 52% on time (25 flights)52MarApr 2026: 73% on time (30 flights)73AprMay 2026: 65% on time (31 flights)65MayJun 2026: 50% on time (30 flights)50JunJul 2026: 63% on time (30 flights)63JulAug 2026: 65% on time (31 flights)65Aug

By day of week

DayFlightsOn time
Monday2669%
Tuesday2662%
Wednesday2673%
Thursday2564%
Friday2564%
Saturday2548%
Sunday2654%

Why it was late

Airline (crew, maintenance, ops) 67%Late inbound plane 25%Air traffic & airport (NAS) 8%

All flights DEN → ATL · Connecting off F9 1450? Check the risk

Questions

How often is F9 1450 from DEN to ATL late?

Frontier Airlines 1450 from Denver, CO to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 38% of 179 scheduled flights between September 2025 and August 2026. 2.8% 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.