YX4494
YX4494 (Republic Airways) is a multi-stop service on 25 routes, busiest New York to Detroit. Of 739 departures recorded from October 2024 to July 2026, 89.0% left on time, according to the US BTS.
- On-time departures89.0%of 739 flights
- Average delay2.9 min
- July 202650▼ 7.4%vs July 2025
- Cancelled3.1%
- Legs flown under this number25
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 28 | 2 | ▼ 92.9% |
| February | 15 | 35 | ▲ 133.3% |
| March | 26 | 34 | ▲ 30.8% |
| April | 49 | 51 | ▲ 4.1% |
| May | 27 | 56 | ▲ 107.4% |
| June | 47 | 48 | ▲ 2.1% |
| July | 54 | 50 | ▼ 7.4% |
| August | 48 | – | – |
| September | 48 | – | – |
| October | 53 | – | in progress |
| November | 5 | – | – |
| December | 5 | – | – |
| Year to date (Jan–Jul) | 246 | 276 | ▲ 12.2% |
according to the US BTS · October 2024 → July 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 periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 96.2% | 100.0% | ▲ 4.0% |
| February | 73.3% | 83.9% | ▲ 14.4% |
| March | 96.2% | 97.1% | ▲ 0.9% |
| April | 75.5% | 98.0% | ▲ 29.8% |
| May | 81.5% | 94.6% | ▲ 16.2% |
| June | 95.7% | 91.1% | ▼ 4.8% |
| July | 82.4% | 88.4% | ▲ 7.3% |
| August | 76.1% | – | – |
| September | 89.6% | – | – |
| October | 94.2% | – | in progress |
| November | 80.0% | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jul) | 85.8% | 93.3% | ▲ 8.7% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 1 | ▼ 50.0% |
| February | 0 | 4 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 3 | – |
| July | 3 | 7 | ▲ 133.3% |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 5 | 15 | ▲ 200.0% |
according to the US BTS · October 2024 → July 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 96.9% 716
- Cancelled 3.1% 23
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGA DTW LaGuardia Airport – Detroit Metropolitan Wayne County Airport | 805 | 0.3 min | 89.7% | 168 |
| DTW LGA Detroit Metropolitan Wayne County Airport – LaGuardia Airport | 805 | 6.8 min | 87.0% | 134 |
| RDU LGA Raleigh-Durham International Airport – LaGuardia Airport | 693 | 9.5 min | 87.7% | 62 |
| LGA RDU LaGuardia Airport – Raleigh-Durham International Airport | 693 | -0.5 min | 91.5% | 52 |
| RDU PIT Raleigh-Durham International Airport – Pittsburgh International Airport | 528 | -6.9 min | 97.7% | 43 |
| PIT RDU Pittsburgh International Airport – Raleigh-Durham International Airport | 528 | -7.1 min | 100.0% | 43 |
| BOS DCA Boston Logan International Airport – Ronald Reagan Washington National Airport | 641 | -4.6 min | 91.7% | 38 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 6 | 6 | 50.0% | 0 |
| November 2024 | 27 | 27 | 100.0% | 0 |
| December 2024 | 25 | 25 | 88.0% | 0 |
| January 2025 | 28 | 26 | 96.2% | 2 |
| February 2025 | 15 | 15 | 73.3% | 0 |
| March 2025 | 26 | 26 | 96.2% | 0 |
| April 2025 | 49 | 49 | 75.5% | 0 |
| May 2025 | 27 | 27 | 81.5% | 0 |
| June 2025 | 47 | 47 | 95.7% | 0 |
| July 2025 | 54 | 51 | 82.4% | 3 |
| August 2025 | 48 | 46 | 76.1% | 2 |
| September 2025 | 48 | 48 | 89.6% | 0 |
| October 2025 | 53 | 52 | 94.2% | 1 |
| November 2025 | 5 | 5 | 80.0% | 0 |
| December 2025 | 5 | 5 | 100.0% | 0 |
| January 2026 | 2 | 1 | 100.0% | 1 |
| February 2026 | 35 | 31 | 83.9% | 4 |
| March 2026 | 34 | 34 | 97.1% | 0 |
| April 2026 | 51 | 51 | 98.0% | 0 |
| May 2026 | 56 | 56 | 94.6% | 0 |
| June 2026 | 48 | 45 | 91.1% | 3 |
| July 2026 | 50 | 43 | 88.4% | 7 |