About 1 in 4 B6 579 flights from Washington arrived 15+ minutes late, diverted or cancelled over the past year (22%); 4.5% were cancelled. The typical flight landed 7 minutes early.
B6 579: DCA → FLL
Scheduled to leave Washington at 11:00 a.m. local time. Over the past year it arrived on time 78% of the time (357 flights), in line with other B6 flights on the route at that hour (80%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 74% |
| Tuesday | 47 | 74% |
| Wednesday | 50 | 84% |
| Thursday | 52 | 83% |
| Friday | 51 | 76% |
| Saturday | 52 | 85% |
| Sunday | 52 | 67% |
Why it was late
All flights DCA → FLL · Connecting off B6 579? Check the risk
Questions
How often is B6 579 from DCA to FLL late?
JetBlue 579 from Washington, DC to Fort Lauderdale, FL arrived 15 or more minutes late, was diverted or was cancelled on 22% of 357 scheduled flights between September 2025 and August 2026. 4.5% 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 JetBlue for today's flight. Method.