About 1 in 5 F9 1863 flights from Oklahoma City arrived 15+ minutes late, diverted or cancelled over the past year (21%); 1.5% were cancelled. The typical flight landed 11 minutes early.
F9 1863: OKC → DEN
Scheduled to leave Oklahoma City at 3:44 p.m. local time. Over the past year it arrived on time 79% of the time (134 flights), in line with other F9 flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 29 | 69% |
| Tuesday | 15 | — |
| Wednesday | 5 | — |
| Thursday | 23 | 83% |
| Friday | 28 | 75% |
| Saturday | 11 | — |
| Sunday | 23 | 74% |
Why it was late
All flights OKC → DEN · Connecting off F9 1863? Check the risk
Questions
How often is F9 1863 from OKC to DEN late?
Frontier Airlines 1863 from Oklahoma City, OK to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 21% of 134 scheduled flights between September 2025 and August 2026. 1.5% 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.