YX4356
YX4356 (Republic Airways) is a multi-stop service on 35 routes, busiest Chicago to Traverse City. Of 629 departures recorded from October 2024 to July 2026, 79.6% left on time, according to the US BTS.
- On-time departures79.6%of 629 flights
- Average delay12.9 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.4%
- Legs flown under this number35
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 | 47 | 46 | ▼ 2.1% |
| February | 38 | 33 | ▼ 13.2% |
| March | 31 | 7 | ▼ 77.4% |
| April | 53 | 24 | ▼ 54.7% |
| May | 15 | 31 | ▲ 106.7% |
| June | 26 | 30 | ▲ 15.4% |
| July | 31 | 31 | 0.0% |
| August | 5 | – | – |
| September | 24 | – | – |
| October | 6 | – | in progress |
| November | 23 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 241 | 202 | ▼ 16.2% |
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 | 82.2% | 66.7% | ▼ 18.9% |
| February | 72.2% | 63.6% | ▼ 11.9% |
| March | 90.3% | 57.1% | ▼ 36.7% |
| April | 92.5% | 76.2% | ▼ 17.6% |
| May | 100.0% | 83.3% | ▼ 16.7% |
| June | 65.4% | 66.7% | ▲ 2.0% |
| July | 76.7% | 82.8% | ▲ 7.9% |
| August | 100.0% | – | – |
| September | 91.7% | – | – |
| October | 100.0% | – | in progress |
| November | 71.4% | – | – |
| December | 61.4% | – | – |
| Year-to-date average (Jan–Jul) | 82.8% | 70.9% | ▼ 14.3% |
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 | 2 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 3 | – |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 1 | 2 | ▲ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 5 | 7 | ▲ 40.0% |
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 97.6% 614
- Cancelled 2.4% 15
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD TVC Chicago O'Hare International Airport – Cherry Capital Airport | 360 | 23.4 min | 70.0% | 74 |
| BOS DCA Boston Logan International Airport – Ronald Reagan Washington National Airport | 641 | 1.0 min | 86.9% | 63 |
| LGA CMH LaGuardia Airport – John Glenn Columbus International Airport | 768 | 13.7 min | 80.8% | 53 |
| ORD JFK Chicago O'Hare International Airport – John F. Kennedy International Airport | 1,188 | 18.0 min | 73.8% | 42 |
| JFK ORD John F. Kennedy International Airport – Chicago O'Hare International Airport | 1,188 | 21.3 min | 82.1% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 34 | 34 | 100.0% | 0 |
| November 2024 | 31 | 31 | 93.6% | 0 |
| December 2024 | 18 | 18 | 88.9% | 0 |
| January 2025 | 47 | 45 | 82.2% | 2 |
| February 2025 | 38 | 36 | 72.2% | 2 |
| March 2025 | 31 | 31 | 90.3% | 0 |
| April 2025 | 53 | 53 | 92.5% | 0 |
| May 2025 | 15 | 15 | 100.0% | 0 |
| June 2025 | 26 | 26 | 65.4% | 0 |
| July 2025 | 31 | 30 | 76.7% | 1 |
| August 2025 | 5 | 5 | 100.0% | 0 |
| September 2025 | 24 | 24 | 91.7% | 0 |
| October 2025 | 6 | 6 | 100.0% | 0 |
| November 2025 | 23 | 21 | 71.4% | 2 |
| December 2025 | 45 | 44 | 61.4% | 1 |
| January 2026 | 46 | 45 | 66.7% | 1 |
| February 2026 | 33 | 33 | 63.6% | 0 |
| March 2026 | 7 | 7 | 57.1% | 0 |
| April 2026 | 24 | 21 | 76.2% | 3 |
| May 2026 | 31 | 30 | 83.3% | 1 |
| June 2026 | 30 | 30 | 66.7% | 0 |
| July 2026 | 31 | 29 | 82.8% | 2 |