YX4406
YX4406 (Republic Airways) is a multi-stop service on 23 routes, busiest Chicago to New York. Of 532 departures recorded from October 2024 to July 2026, 82.6% left on time, according to the US BTS.
- On-time departures82.6%of 532 flights
- Average delay10.9 min
- July 20265▼ 78.3%vs July 2025
- Cancelled2.8%
- Legs flown under this number23
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 | 27 | 36 | ▲ 33.3% |
| February | 22 | 28 | ▲ 27.3% |
| March | 28 | 34 | ▲ 21.4% |
| April | 30 | 7 | ▼ 76.7% |
| May | 31 | 15 | ▼ 51.6% |
| June | 16 | 30 | ▲ 87.5% |
| July | 23 | 5 | ▼ 78.3% |
| August | 22 | – | – |
| September | 26 | – | – |
| October | 30 | – | in progress |
| November | 24 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 177 | 155 | ▼ 12.4% |
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 | 92.6% | 81.3% | ▼ 12.2% |
| February | 86.4% | 84.6% | ▼ 2.0% |
| March | 82.1% | 78.1% | ▼ 4.9% |
| April | 80.0% | 71.4% | ▼ 10.7% |
| May | 63.3% | 73.3% | ▲ 15.8% |
| June | 75.0% | 78.6% | ▲ 4.8% |
| July | 90.5% | 50.0% | ▼ 44.7% |
| August | 85.7% | – | – |
| September | 100.0% | – | – |
| October | 93.3% | – | in progress |
| November | 91.7% | – | – |
| December | 54.8% | – | – |
| Year-to-date average (Jan–Jul) | 81.4% | 73.9% | ▼ 9.2% |
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 | 0 | 4 | – |
| February | 0 | 2 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 2 | – |
| July | 2 | 1 | ▼ 50.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 11 | ▲ 266.7% |
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 97.2% 517
- Cancelled 2.8% 15
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 25, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD LGA Chicago O'Hare International Airport – LaGuardia Airport | 1,177 | 16.4 min | 75.9% | 87 |
| MCI DCA Kansas City International Airport – Ronald Reagan Washington National Airport | 1,524 | -2.0 min | 93.3% | 75 |
| PHL DSM Philadelphia International Airport – Des Moines International Airport | 1,560 | 35.9 min | 75.6% | 44 |
| PIT ORD Pittsburgh International Airport – Chicago O'Hare International Airport | 662 | 6.2 min | 90.5% | 42 |
| MEM ORD Frederick W. Smith International Airport – Chicago O'Hare International Airport | 792 | 9.1 min | 84.2% | 42 |
| LGA CVG LaGuardia Airport – Cincinnati Northern Kentucky International Airport | 940 | -2.1 min | 95.2% | 42 |
| ORD SYR Chicago O'Hare International Airport – Syracuse Hancock International Airport | 974 | 7.8 min | 80.7% | 31 |
| DCA CHS Ronald Reagan Washington National Airport – Charleston International Airport | 715 | 28.1 min | 63.3% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 92.9% | 0 |
| November 2024 | 26 | 26 | 96.2% | 0 |
| December 2024 | 27 | 27 | 88.9% | 0 |
| January 2025 | 27 | 27 | 92.6% | 0 |
| February 2025 | 22 | 22 | 86.4% | 0 |
| March 2025 | 28 | 28 | 82.1% | 0 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 31 | 30 | 63.3% | 1 |
| June 2025 | 16 | 16 | 75.0% | 0 |
| July 2025 | 23 | 21 | 90.5% | 2 |
| August 2025 | 22 | 21 | 85.7% | 1 |
| September 2025 | 26 | 26 | 100.0% | 0 |
| October 2025 | 30 | 30 | 93.3% | 0 |
| November 2025 | 24 | 24 | 91.7% | 0 |
| December 2025 | 31 | 31 | 54.8% | 0 |
| January 2026 | 36 | 32 | 81.3% | 4 |
| February 2026 | 28 | 26 | 84.6% | 2 |
| March 2026 | 34 | 32 | 78.1% | 2 |
| April 2026 | 7 | 7 | 71.4% | 0 |
| May 2026 | 15 | 15 | 73.3% | 0 |
| June 2026 | 30 | 28 | 78.6% | 2 |
| July 2026 | 5 | 4 | 50.0% | 1 |