About 1 in 4 B6 1143 flights from Manchester arrived 15+ minutes late, diverted or cancelled over the past year (23%); 1.7% were cancelled. The typical flight landed 5 minutes early.
B6 1143: MHT → MCO
Scheduled to leave Manchester at 7:00 a.m. local time. Over the past year it arrived on time 77% of the time (230 flights), better than other B6 flights on the route at that hour (73%). Last seen in the data Jul 8, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 33 | 76% |
| Tuesday | 33 | 70% |
| Wednesday | 33 | 91% |
| Thursday | 33 | 82% |
| Friday | 33 | 82% |
| Saturday | 33 | 76% |
| Sunday | 32 | 66% |
Why it was late
All flights MHT → MCO · Connecting off B6 1143? Check the risk
Questions
How often is B6 1143 from MHT to MCO late?
JetBlue 1143 from Manchester, NH to Orlando, FL arrived 15 or more minutes late, was diverted or was cancelled on 23% of 230 scheduled flights between September 2025 and August 2026. 1.7% 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.