YX4720
YX4720 (Republic Airways) is a multi-stop service on 25 routes, busiest Houston to Chicago. Of 628 departures recorded from November 2024 to July 2026, 71.7% left on time, according to the US BTS.
- On-time departures71.7%of 628 flights
- Average delay17.5 min
- July 202654▲ 107.7%vs July 2025
- Cancelled2.1%
- 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 | 6 | 30 | ▲ 400.0% |
| February | 2 | 13 | ▲ 550.0% |
| March | 45 | 6 | ▼ 86.7% |
| April | 33 | 50 | ▲ 51.5% |
| May | 4 | 60 | ▲ 1,400.0% |
| June | 24 | 60 | ▲ 150.0% |
| July | 26 | 54 | ▲ 107.7% |
| August | 4 | – | – |
| September | 47 | – | – |
| October | 52 | – | in progress |
| November | 56 | – | – |
| December | 41 | – | – |
| Year to date (Jan–Jul) | 140 | 273 | ▲ 95.0% |
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 | 100.0% | 92.6% | ▼ 7.4% |
| February | 0.0% | 100.0% | – |
| March | 86.4% | 83.3% | ▼ 3.5% |
| April | 50.0% | 53.1% | ▲ 6.1% |
| May | 50.0% | 83.3% | ▲ 66.7% |
| June | 50.0% | 76.7% | ▲ 53.3% |
| July | 76.0% | 73.1% | ▼ 3.8% |
| August | 100.0% | – | – |
| September | 78.7% | – | – |
| October | 66.0% | – | in progress |
| November | 75.9% | – | – |
| December | 46.3% | – | – |
| Year-to-date average (Jan–Jul) | 58.9% | 80.3% | ▲ 36.3% |
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 | 0 | 3 | – |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 1 | 1 | 0.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 2 | ▲ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 2 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 6 | ▲ 100.0% |
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 97.9% 615
- Cancelled 2.1% 13
Share of all recorded flights in the period, all legs. · Nov 28, 2024 → Jul 31, 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 IAH Chicago O'Hare International Airport – George Bush Intercontinental Airport | 1,491 | 14.9 min | 73.9% | 69 |
| IAH ORD George Bush Intercontinental Airport – Chicago O'Hare International Airport | 1,491 | 23.1 min | 66.7% | 69 |
| ORD MSY Chicago O'Hare International Airport – Louis Armstrong New Orleans International Airport | 1,349 | 28.5 min | 64.4% | 45 |
| MSY ORD Louis Armstrong New Orleans International Airport – Chicago O'Hare International Airport | 1,349 | 27.2 min | 65.1% | 45 |
| SDF PHL Louisville Muhammad Ali International Airport – Philadelphia International Airport | 926 | 8.2 min | 82.9% | 41 |
| PHL SDF Philadelphia International Airport – Louisville Muhammad Ali International Airport | 926 | 2.4 min | 80.5% | 41 |
| BDL ORD Bradley International Airport – Chicago O'Hare International Airport | 1,257 | -3.8 min | 93.9% | 36 |
| DCA PWM Ronald Reagan Washington National Airport – Portland International Jetport | 775 | 20.7 min | 51.6% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 1 | 1 | 100.0% | 0 |
| December 2024 | 14 | 14 | 71.4% | 0 |
| January 2025 | 6 | 6 | 100.0% | 0 |
| February 2025 | 2 | 2 | 0.0% | 0 |
| March 2025 | 45 | 44 | 86.4% | 1 |
| April 2025 | 33 | 32 | 50.0% | 1 |
| May 2025 | 4 | 4 | 50.0% | 0 |
| June 2025 | 24 | 24 | 50.0% | 0 |
| July 2025 | 26 | 25 | 76.0% | 1 |
| August 2025 | 4 | 4 | 100.0% | 0 |
| September 2025 | 47 | 47 | 78.7% | 0 |
| October 2025 | 52 | 50 | 66.0% | 2 |
| November 2025 | 56 | 54 | 75.9% | 2 |
| December 2025 | 41 | 41 | 46.3% | 0 |
| January 2026 | 30 | 27 | 92.6% | 3 |
| February 2026 | 13 | 13 | 100.0% | 0 |
| March 2026 | 6 | 6 | 83.3% | 0 |
| April 2026 | 50 | 49 | 53.1% | 1 |
| May 2026 | 60 | 60 | 83.3% | 0 |
| June 2026 | 60 | 60 | 76.7% | 0 |
| July 2026 | 54 | 52 | 73.1% | 2 |