No delays reported for F9 4345 (DEN → LAX) as of 6:46 PM ET. It arrived on time 68.5% of the time in June-August 2026. When it was late, the average delay was 1h 6m. 2.2% of flights were cancelled. Right now there are no reported delays at DEN, LAX.
Looks on time
Next leg DEN → LAX, scheduled 10:39 PM local time. No delays at DEN right now.
Cancellation risk: Low 2.2% of its flights were cancelled in June-August 2026.
Estimate from the schedule, live position and airport conditions, if this flight operates today. Check Frontier for official times.
Before you fly
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| DEN → LAX Denver, CO to Los Angeles, CA | 10:39 PM → 12:11 AM | 69% |
Local times. Schedules change; check your booking.
How reliable is F9 4345?
| Arrived on time (within 15 min) | 68.5% |
| Average delay when late | 66 min |
| Cancelled | 2.2% |
| Diverted | 0% |
| Flights tracked | 91 |
Best and worst days to fly F9 4345
F9 4345 was most reliable on Tuesdays (77% on time) and least reliable on Fridays (58%).
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Why it runs late
| Late-arriving plane | |
| Airline (crew, maintenance) | |
| Air traffic system | |
| Extreme weather |
Share of delay minutes by cause, as reported by Frontier to the Department of Transportation.
Other flights DEN → LAX
All flights on this route, ranked
Live status at its airports
We show airport-wide airport status, not this flight's gate or live position. For that, check the Frontier app.
Frontier delays and what you're owed · Airline phone numbers
About this data
On-time history: U.S. Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, June-August 2026. Live conditions: live airport status. "On time" means arriving within 15 minutes of schedule.
Common questions
Is F9 4345 delayed today?
Right now there are no reported delays at DEN, LAX. Checked 6:46 PM ET. For this flight's gate and exact status, check the Frontier app.
Is F9 4345 usually on time?
F9 4345 arrived within 15 minutes of schedule 68.5% of the time in June-August 2026, with an average delay of 66 minutes when late.
How often is F9 4345 cancelled?
2.2% of F9 4345 flights were cancelled in June-August 2026.