YX3577
YX3577 (Republic Airways) is a multi-stop service on 30 routes, busiest Pittsburgh to Chicago. Of 584 departures recorded from October 2024 to July 2026, 85.0% left on time, according to the US BTS.
- On-time departures85.0%of 584 flights
- Average delay7.2 min
- July 20264▼ 84.6%vs July 2025
- Cancelled3.1%
- Legs flown under this number30
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 | 29 | 23 | ▼ 20.7% |
| February | 27 | 22 | ▼ 18.5% |
| March | 11 | 27 | ▲ 145.5% |
| April | 15 | 55 | ▲ 266.7% |
| May | 29 | 30 | ▲ 3.4% |
| June | 25 | 23 | ▼ 8.0% |
| July | 26 | 4 | ▼ 84.6% |
| August | 31 | – | – |
| September | 29 | – | – |
| October | 30 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 162 | 184 | ▲ 13.6% |
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 | 89.3% | 85.7% | ▼ 4.0% |
| February | 92.3% | 100.0% | ▲ 8.3% |
| March | 100.0% | 77.8% | ▼ 22.2% |
| April | 93.3% | 81.8% | ▼ 12.3% |
| May | 93.1% | 89.7% | ▼ 3.7% |
| June | 70.8% | 89.5% | ▲ 26.3% |
| July | 60.0% | 50.0% | ▼ 16.7% |
| August | 90.3% | – | – |
| September | 93.1% | – | – |
| October | 93.3% | – | in progress |
| November | 88.0% | – | – |
| December | 61.3% | – | – |
| Year-to-date average (Jan–Jul) | 85.6% | 82.1% | ▼ 4.1% |
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 | 1 | 2 | ▲ 100.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 1 | 4 | ▲ 300.0% |
| July | 1 | 2 | ▲ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 5 | 9 | ▲ 80.0% |
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 96.9% 566
- Cancelled 3.1% 18
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 25, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PIT ORD Pittsburgh International Airport – Chicago O'Hare International Airport | 662 | 10.1 min | 85.0% | 214 |
| ORD CLE Chicago O'Hare International Airport – Cleveland Hopkins International Airport | 507 | 9.5 min | 86.4% | 83 |
| CLE IAD Cleveland Hopkins International Airport – Washington Dulles International Airport | 463 | 6.7 min | 78.6% | 43 |
| EWR JAX Newark Liberty International Airport – Jacksonville International Airport | 1,321 | 3.2 min | 83.8% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 100.0% | 0 |
| November 2024 | 29 | 29 | 79.3% | 0 |
| December 2024 | 44 | 44 | 84.1% | 0 |
| January 2025 | 29 | 28 | 89.3% | 1 |
| February 2025 | 27 | 26 | 92.3% | 1 |
| March 2025 | 11 | 10 | 100.0% | 1 |
| April 2025 | 15 | 15 | 93.3% | 0 |
| May 2025 | 29 | 29 | 93.1% | 0 |
| June 2025 | 25 | 24 | 70.8% | 1 |
| July 2025 | 26 | 25 | 60.0% | 1 |
| August 2025 | 31 | 31 | 90.3% | 0 |
| September 2025 | 29 | 29 | 93.1% | 0 |
| October 2025 | 30 | 30 | 93.3% | 0 |
| November 2025 | 29 | 25 | 88.0% | 4 |
| December 2025 | 31 | 31 | 61.3% | 0 |
| January 2026 | 23 | 21 | 85.7% | 2 |
| February 2026 | 22 | 22 | 100.0% | 0 |
| March 2026 | 27 | 27 | 77.8% | 0 |
| April 2026 | 55 | 55 | 81.8% | 0 |
| May 2026 | 30 | 29 | 89.7% | 1 |
| June 2026 | 23 | 19 | 89.5% | 4 |
| July 2026 | 4 | 2 | 50.0% | 2 |