About 1 in 4 F9 2135 flights from Miami arrived 15+ minutes late, diverted or cancelled over the past year (24%); 3.3% were cancelled. The typical flight landed 9 minutes early.
F9 2135: MIA → DFW
Scheduled to leave Miami at 6:50 a.m. local time. Over the past year it arrived on time 76% of the time (183 flights), worse than other F9 flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 29 | 72% |
| Tuesday | 22 | 77% |
| Wednesday | 22 | 82% |
| Thursday | 23 | 87% |
| Friday | 33 | 79% |
| Saturday | 26 | 73% |
| Sunday | 28 | 64% |
Why it was late
All flights MIA → DFW · Connecting off F9 2135? Check the risk
Questions
How often is F9 2135 from MIA to DFW late?
Frontier Airlines 2135 from Miami, FL to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 24% of 183 scheduled flights between September 2025 and August 2026. 3.3% 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.