No delays reported for F9 686 (DEN → DCA) as of 6:51 PM ET. It arrived on time 85.7% of the time in June-August 2026. When it was late, the average delay was 31 minutes. None were cancelled. Right now there are no reported delays at DEN, DCA.
May not fly today
Next leg DEN → DCA, scheduled 7:30 AM local time. No delays at DEN right now, and it usually runs on time. This flight number flew about 6 days a week in June-August 2026, so it may not operate today.
Cancellation risk: Low 0% 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.
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Route and schedule
| Leg | Scheduled | On time |
|---|---|---|
| DEN → DCA Denver, CO to Washington, DC | 7:30 AM → 12:51 PM | 86% |
Local times. Schedules change; check your booking.
How reliable is F9 686?
| Arrived on time (within 15 min) | 85.7% |
| Average delay when late | 31 min |
| Cancelled | 0% |
| Diverted | 0% |
| Flights tracked | 77 |
Best and worst days to fly F9 686
F9 686 was most reliable on Mondays (93% on time) and least reliable on Thursdays (77%).
| Monday | |
| Tuesday | Too few flights |
| Wednesday | |
| Thursday | |
| Friday | |
| Saturday | |
| Sunday |
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 → DCA
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 686 delayed today?
Right now there are no reported delays at DEN, DCA. Checked 6:51 PM ET. For this flight's gate and exact status, check the Frontier app.
Is F9 686 usually on time?
F9 686 arrived within 15 minutes of schedule 85.7% of the time in June-August 2026, with an average delay of 31 minutes when late.
How often is F9 686 cancelled?
0% of F9 686 flights were cancelled in June-August 2026.