F91237
F91237 (Frontier Airlines) is a multi-stop service on 2 routes, busiest Islip to Orlando. Of 241 departures recorded from October 2024 to April 2026, 60.3% left on time, according to the US BTS.
- On-time departures60.3%of 241 flights
- Average delay33.9 min
- April 20266▼ 57.1%vs April 2025
- Cancelled3.7%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 15 | 10 | ▼ 33.3% |
| February | 23 | 10 | ▼ 56.5% |
| March | 18 | 18 | 0.0% |
| April | 14 | 6 | ▼ 57.1% |
| May | 30 | – | – |
| June | 25 | – | – |
| July | 19 | – | – |
| August | 18 | – | – |
| September | 1 | – | – |
| October | 9 | – | in progress |
| November | 3 | – | – |
| December | 8 | – | – |
| Year to date (Jan–Apr) | 70 | 44 | ▼ 37.1% |
according to the US BTS · October 2024 → April 2026
On-time departures by month
Months without data are left blank.
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 | 92.9% | 90.0% | ▼ 3.1% |
| February | 69.6% | 55.6% | ▼ 20.1% |
| March | 76.5% | 64.7% | ▼ 15.4% |
| April | 85.7% | 83.3% | ▼ 2.8% |
| May | 53.3% | – | – |
| June | 37.5% | – | – |
| July | 31.6% | – | – |
| August | 17.7% | – | – |
| September | 100.0% | – | – |
| October | 66.7% | – | in progress |
| November | 66.7% | – | – |
| December | 60.0% | – | – |
| Year-to-date average (Jan–Apr) | 81.2% | 73.4% | ▼ 9.6% |
according to the US BTS · October 2024 → April 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → April 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 1 | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 1 | – | – |
| July | 0 | – | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 3 | – | – |
| Year to date (Jan–Apr) | 2 | 2 | 0.0% |
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 96.3% 232
- Cancelled 3.7% 9
Share of all recorded flights in the period, all legs. · Oct 29, 2024 → Apr 11, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ISP MCO Long Island MacArthur Airport – Orlando International Airport | 1,565 | 34.0 min | 60.6% | 240 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 1 | 1 | 0.0% | 0 |
| December 2024 | 13 | 13 | 76.9% | 0 |
| January 2025 | 15 | 14 | 92.9% | 1 |
| February 2025 | 23 | 23 | 69.6% | 0 |
| March 2025 | 18 | 17 | 76.5% | 1 |
| April 2025 | 14 | 14 | 85.7% | 0 |
| May 2025 | 30 | 30 | 53.3% | 0 |
| June 2025 | 25 | 24 | 37.5% | 1 |
| July 2025 | 19 | 19 | 31.6% | 0 |
| August 2025 | 18 | 17 | 17.7% | 1 |
| September 2025 | 1 | 1 | 100.0% | 0 |
| October 2025 | 9 | 9 | 66.7% | 0 |
| November 2025 | 3 | 3 | 66.7% | 0 |
| December 2025 | 8 | 5 | 60.0% | 3 |
| January 2026 | 10 | 10 | 90.0% | 0 |
| February 2026 | 10 | 9 | 55.6% | 1 |
| March 2026 | 18 | 17 | 64.7% | 1 |
| April 2026 | 6 | 6 | 83.3% | 0 |