About 1 in 4 F9 3107 flights from St. Louis arrived 15+ minutes late, diverted or cancelled over the past year (24%); 4.5% were cancelled. The typical flight landed 17 minutes early.
F9 3107: STL → LAS
Scheduled to leave St. Louis at 12:14 p.m. local time. Over the past year it arrived on time 76% of the time (133 flights), better than other F9 flights on the route at that hour (65%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 32 | 69% |
| Tuesday | 11 | — |
| Wednesday | 6 | — |
| Thursday | 13 | — |
| Friday | 32 | 72% |
| Saturday | 18 | — |
| Sunday | 21 | 76% |
Why it was late
All flights STL → LAS · Connecting off F9 3107? Check the risk
Questions
How often is F9 3107 from STL to LAS late?
Frontier Airlines 3107 from St. Louis, MO to Las Vegas, NV arrived 15 or more minutes late, was diverted or was cancelled on 24% of 133 scheduled flights between September 2025 and August 2026. 4.5% 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.