ON TIMEBOARD

F9 2015 on time

Frontier Airlines 2015: Denver to Las Vegas at 7:00 a.m. (past 12 months)

On time
87%
253 flights · likely 82–91%
Cancelled
1.6%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+109 min
average delay
Similar flights
87%
F9, same route & hour

About 1 in 8 F9 2015 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (13%); 1.6% were cancelled. The typical flight landed 11 minutes early.

F9 2015: DEN → LAS

Scheduled to leave Denver at 7:00 a.m. local time. Over the past year it arrived on time 87% of the time (253 flights), in line with other F9 flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 88% on time (17 flights)88SepOct 2025: 93% on time (27 flights)93OctNov 2025: 83% on time (29 flights)83NovDec 2025: 78% on time (27 flights)78DecJan 2026: 90% on time (20 flights)90JanFeb 2026: 81% on time (21 flights)81FebMar 2026: 90% on time (20 flights)90MarApr 2026: 89% on time (19 flights)89AprMay 2026: 95% on time (19 flights)95MayJun 2026: 94% on time (18 flights)94JunJul 2026: 83% on time (18 flights)83JulAug 2026: 83% on time (18 flights)83Aug

By day of week

DayFlightsOn time
Monday5387%
Tuesday15—
Wednesday13—
Thursday4888%
Friday5285%
Saturday2085%
Sunday5290%

Why it was late

Late inbound plane 63%Airline (crew, maintenance, ops) 30%Air traffic & airport (NAS) 7%

All flights DEN → LAS · Connecting off F9 2015? Check the risk

Questions

How often is F9 2015 from DEN to LAS late?

Frontier Airlines 2015 from Denver, CO to Las Vegas, NV arrived 15 or more minutes late, was diverted or was cancelled on 13% of 253 scheduled flights between September 2025 and August 2026. 1.6% 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.