About 1 in 4 F9 4612 flights from Las Vegas arrived 15+ minutes late, diverted or cancelled over the past year (28%); 1.1% were cancelled. The typical flight landed 7 minutes early.
F9 4612: LAS → DEN
Scheduled to leave Las Vegas at 9:20 p.m. local time. Over the past year it arrived on time 72% of the time (274 flights), in line with other F9 flights on the route at that hour (70%). Last seen in the data Aug 31, 2026.
Usually Frontier Airlines's last flight of the day from Las Vegas to Denver (92% of days). Frontier Airlines's last LAS–DEN flight was cancelled 1.4% of the time, against 1.1% for its earlier ones. If it's cancelled, the next Frontier Airlines flight is usually around 12:59 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 47 | 62% |
| Tuesday | 32 | 88% |
| Wednesday | 33 | 73% |
| Thursday | 44 | 73% |
| Friday | 46 | 65% |
| Saturday | 27 | 70% |
| Sunday | 45 | 76% |
Why it was late
All flights LAS → DEN · Connecting off F9 4612? Check the risk
Questions
How often is F9 4612 from LAS to DEN late?
Frontier Airlines 4612 from Las Vegas, NV to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 28% of 274 scheduled flights between September 2025 and August 2026. 1.1% 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.