YX4679
YX4679 (Republic Airways) is a multi-stop service on 18 routes, busiest Washington to Indianapolis. Of 596 departures recorded from November 2024 to July 2026, 83.6% left on time, according to the US BTS.
- On-time departures83.6%of 596 flights
- Average delay8.2 min
- July 202651▲ 88.9%vs July 2025
- Cancelled3.7%
- Legs flown under this number18
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 | 26 | 35 | ▲ 34.6% |
| February | 28 | 23 | ▼ 17.9% |
| March | 31 | 22 | ▼ 29.0% |
| April | 22 | 25 | ▲ 13.6% |
| May | 28 | 24 | ▼ 14.3% |
| June | 26 | 23 | ▼ 11.5% |
| July | 27 | 51 | ▲ 88.9% |
| August | 25 | – | – |
| September | 30 | – | – |
| October | 57 | – | in progress |
| November | 59 | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jul) | 188 | 203 | ▲ 8.0% |
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 | 96.2% | 73.5% | ▼ 23.5% |
| February | 92.3% | 95.2% | ▲ 3.2% |
| March | 96.8% | 77.3% | ▼ 20.2% |
| April | 95.5% | 84.0% | ▼ 12.0% |
| May | 100.0% | 91.7% | ▼ 8.3% |
| June | 92.3% | 91.3% | ▼ 1.1% |
| July | 96.0% | 70.7% | ▼ 26.3% |
| August | 79.2% | – | – |
| September | 93.3% | – | – |
| October | 75.4% | – | in progress |
| November | 74.6% | – | – |
| December | 50.0% | – | – |
| Year-to-date average (Jan–Jul) | 95.6% | 83.4% | ▼ 12.7% |
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 | 1 | – |
| February | 2 | 2 | 0.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 2 | 10 | ▲ 400.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 13 | ▲ 225.0% |
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 96.3% 574
- Cancelled 3.7% 22
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DCA IND Ronald Reagan Washington National Airport – Indianapolis International Airport | 802 | 3.3 min | 91.8% | 198 |
| LGA PHL LaGuardia Airport – Philadelphia International Airport | 154 | -3.2 min | 95.3% | 87 |
| GSO DCA Piedmont Triad International Airport – Ronald Reagan Washington National Airport | 399 | 16.9 min | 80.0% | 37 |
| LGA ORD LaGuardia Airport – Chicago O'Hare International Airport | 1,177 | 15.5 min | 78.1% | 33 |
| ORD BDL Chicago O'Hare International Airport – Bradley International Airport | 1,257 | 19.6 min | 73.3% | 31 |
| MEM DCA Frederick W. Smith International Airport – Ronald Reagan Washington National Airport | 1,224 | 6.3 min | 93.3% | 30 |
| BDL ORD Bradley International Airport – Chicago O'Hare International Airport | 1,257 | 11.5 min | 70.4% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 4 | 4 | 100.0% | 0 |
| December 2024 | 2 | 2 | 0.0% | 0 |
| January 2025 | 26 | 26 | 96.2% | 0 |
| February 2025 | 28 | 26 | 92.3% | 2 |
| March 2025 | 31 | 31 | 96.8% | 0 |
| April 2025 | 22 | 22 | 95.5% | 0 |
| May 2025 | 28 | 28 | 100.0% | 0 |
| June 2025 | 26 | 26 | 92.3% | 0 |
| July 2025 | 27 | 25 | 96.0% | 2 |
| August 2025 | 25 | 24 | 79.2% | 1 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 57 | 57 | 75.4% | 0 |
| November 2025 | 59 | 55 | 74.6% | 4 |
| December 2025 | 28 | 28 | 50.0% | 0 |
| January 2026 | 35 | 34 | 73.5% | 1 |
| February 2026 | 23 | 21 | 95.2% | 2 |
| March 2026 | 22 | 22 | 77.3% | 0 |
| April 2026 | 25 | 25 | 84.0% | 0 |
| May 2026 | 24 | 24 | 91.7% | 0 |
| June 2026 | 23 | 23 | 91.3% | 0 |
| July 2026 | 51 | 41 | 70.7% | 10 |