About 1 in 2 F9 3423 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (46%); 7.8% were cancelled. The typical flight landed 5 minutes late.
F9 3423: LGA → DFW
Scheduled to leave New York at 10:00 p.m. local time. Over the past year it arrived on time 54% of the time (269 flights), in line with other F9 flights on the route at that hour (53%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 45 | 58% |
| Tuesday | 39 | 51% |
| Wednesday | 44 | 64% |
| Thursday | 37 | 51% |
| Friday | 42 | 48% |
| Saturday | 24 | 63% |
| Sunday | 38 | 42% |
Why it was late
All flights LGA → DFW · Connecting off F9 3423? Check the risk
Questions
How often is F9 3423 from LGA to DFW late?
Frontier Airlines 3423 from New York, NY to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 46% of 269 scheduled flights between September 2025 and August 2026. 7.8% 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.