B637
B637 (JetBlue Airways) is a multi-stop service on 2 routes, busiest Hartford to Orlando. Of 514 departures recorded from October 2024 to April 2026, 77.6% left on time, according to the US BTS.
- On-time departures77.6%of 514 flights
- Average delay14.4 min
- April 202627▲ 22.7%vs April 2025
- Cancelled2.0%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 29 | 31 | ▲ 6.9% |
| April | 22 | 27 | ▲ 22.7% |
| May | 31 | – | – |
| June | 27 | – | – |
| July | 31 | – | – |
| August | 31 | – | – |
| September | 2 | – | – |
| October | 24 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Apr) | 110 | 117 | ▲ 6.4% |
according to the US BTS · October 2024 → April 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 77.4% | 60.7% | ▼ 21.6% |
| February | 85.7% | 84.0% | ▼ 2.0% |
| March | 89.3% | 80.0% | ▼ 10.4% |
| April | 76.2% | 77.8% | ▲ 2.1% |
| May | 90.3% | – | – |
| June | 66.7% | – | – |
| July | 64.5% | – | – |
| August | 80.7% | – | – |
| September | 50.0% | – | – |
| October | 83.3% | – | in progress |
| November | 96.6% | – | – |
| December | 64.5% | – | – |
| Year-to-date average (Jan–Apr) | 82.2% | 75.6% | ▼ 7.9% |
according to the US BTS · October 2024 → April 2026
Average departure delay by month
according to the US BTS · October 2024 → April 2026
Cancelled departures by month
The most recent periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 3 | – |
| February | 0 | 3 | – |
| March | 1 | 1 | 0.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | – | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Apr) | 2 | 7 | ▲ 250.0% |
according to the US BTS · October 2024 → April 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.1% 504
- Cancelled 1.9% 10
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Apr 27, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BDL MCO Bradley International Airport – Orlando International Airport | 1,692 | 15.6 min | 76.6% | 471 |
| MCO BDL Orlando International Airport – Bradley International Airport | 1,692 | 1.3 min | 88.4% | 43 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 29 | 29 | 79.3% | 0 |
| December 2024 | 31 | 31 | 51.6% | 0 |
| January 2025 | 31 | 31 | 77.4% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 29 | 28 | 89.3% | 1 |
| April 2025 | 22 | 21 | 76.2% | 1 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 27 | 27 | 66.7% | 0 |
| July 2025 | 31 | 31 | 64.5% | 0 |
| August 2025 | 31 | 31 | 80.7% | 0 |
| September 2025 | 2 | 2 | 50.0% | 0 |
| October 2025 | 24 | 24 | 83.3% | 0 |
| November 2025 | 30 | 29 | 96.6% | 1 |
| December 2025 | 31 | 31 | 64.5% | 0 |
| January 2026 | 31 | 28 | 60.7% | 3 |
| February 2026 | 28 | 25 | 84.0% | 3 |
| March 2026 | 31 | 30 | 80.0% | 1 |
| April 2026 | 27 | 27 | 77.8% | 0 |