YX4729
YX4729 (Republic Airways) is a multi-stop service on 28 routes, busiest Grand Rapids to Chicago. Of 773 departures recorded from November 2024 to July 2026, 82.4% left on time, according to the US BTS.
- On-time departures82.4%of 773 flights
- Average delay8.0 min
- July 202662▲ 10.7%vs July 2025
- Cancelled4.3%
- Legs flown under this number28
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 | 23 | 52 | ▲ 126.1% |
| February | 8 | 37 | ▲ 362.5% |
| March | 18 | 26 | ▲ 44.4% |
| April | 26 | 53 | ▲ 103.8% |
| May | 29 | 62 | ▲ 113.8% |
| June | 14 | 60 | ▲ 328.6% |
| July | 56 | 62 | ▲ 10.7% |
| August | 53 | – | – |
| September | 27 | – | – |
| October | 47 | – | in progress |
| November | 54 | – | – |
| December | 41 | – | – |
| Year to date (Jan–Jul) | 174 | 352 | ▲ 102.3% |
according to the US BTS · November 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 | 94.7% | 82.6% | ▼ 12.8% |
| February | 87.5% | 100.0% | ▲ 14.3% |
| March | 100.0% | 80.8% | ▼ 19.2% |
| April | 92.3% | 100.0% | ▲ 8.3% |
| May | 66.7% | 82.0% | ▲ 22.9% |
| June | 85.7% | 55.6% | ▼ 35.2% |
| July | 85.7% | 66.0% | ▼ 22.9% |
| August | 76.9% | – | – |
| September | 85.2% | – | – |
| October | 83.0% | – | in progress |
| November | 90.7% | – | – |
| December | 75.6% | – | – |
| Year-to-date average (Jan–Jul) | 87.5% | 81.0% | ▼ 7.5% |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 4 | 6 | ▲ 50.0% |
| February | 0 | 4 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 2 | 1 | ▼ 50.0% |
| June | 0 | 6 | – |
| July | 0 | 9 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 26 | ▲ 333.3% |
according to the US BTS · November 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 95.7% 740
- Cancelled 4.3% 33
Share of all recorded flights in the period, all legs. · Nov 9, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
12Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 13 | 13 | 84.6% | 0 |
| December 2024 | 12 | 12 | 100.0% | 0 |
| January 2025 | 23 | 19 | 94.7% | 4 |
| February 2025 | 8 | 8 | 87.5% | 0 |
| March 2025 | 18 | 18 | 100.0% | 0 |
| April 2025 | 26 | 26 | 92.3% | 0 |
| May 2025 | 29 | 27 | 66.7% | 2 |
| June 2025 | 14 | 14 | 85.7% | 0 |
| July 2025 | 56 | 56 | 85.7% | 0 |
| August 2025 | 53 | 52 | 76.9% | 1 |
| September 2025 | 27 | 27 | 85.2% | 0 |
| October 2025 | 47 | 47 | 83.0% | 0 |
| November 2025 | 54 | 54 | 90.7% | 0 |
| December 2025 | 41 | 41 | 75.6% | 0 |
| January 2026 | 52 | 46 | 82.6% | 6 |
| February 2026 | 37 | 33 | 100.0% | 4 |
| March 2026 | 26 | 26 | 80.8% | 0 |
| April 2026 | 53 | 53 | 100.0% | 0 |
| May 2026 | 62 | 61 | 82.0% | 1 |
| June 2026 | 60 | 54 | 55.6% | 6 |
| July 2026 | 62 | 53 | 66.0% | 9 |