YX4354
YX4354 (Republic Airways) is a multi-stop service on 25 routes, busiest Chicago to Raleigh. Of 636 departures recorded from October 2024 to July 2026, 78.7% left on time, according to the US BTS.
- On-time departures78.7%of 636 flights
- Average delay12.3 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.7%
- 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 | 60 | ▲ 900.0% |
| February | 1 | 50 | ▲ 4,900.0% |
| March | 8 | 36 | ▲ 350.0% |
| April | 54 | 13 | ▼ 75.9% |
| May | 32 | 15 | ▼ 53.1% |
| June | 29 | 30 | ▲ 3.4% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 39 | – | – |
| Year to date (Jan–Jul) | 161 | 235 | ▲ 46.0% |
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 | 83.3% | 58.6% | ▼ 29.7% |
| February | 100.0% | 63.6% | ▼ 36.4% |
| March | 100.0% | 61.8% | ▼ 38.2% |
| April | 83.3% | 76.9% | ▼ 7.7% |
| May | 84.4% | 80.0% | ▼ 5.2% |
| June | 93.1% | 96.6% | ▲ 3.7% |
| July | 77.4% | 80.0% | ▲ 3.3% |
| August | 83.9% | – | – |
| September | 80.0% | – | – |
| October | 90.3% | – | in progress |
| November | 68.0% | – | – |
| December | 68.4% | – | – |
| Year-to-date average (Jan–Jul) | 88.8% | 73.9% | ▼ 16.7% |
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 | 0 | 2 | – |
| February | 0 | 6 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 0 | 12 |
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 97.3% 619
- Cancelled 2.7% 17
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD RDU Chicago O'Hare International Airport – Raleigh-Durham International Airport | 1,039 | 4.5 min | 86.6% | 264 |
| ORD MSN Chicago O'Hare International Airport – Dane County Regional Truax Field | 175 | 20.4 min | 63.9% | 36 |
| MSN ORD Dane County Regional Truax Field – Chicago O'Hare International Airport | 175 | 20.9 min | 64.7% | 36 |
| PIT JFK Pittsburgh International Airport – John F. Kennedy International Airport | 545 | 16.5 min | 80.7% | 31 |
| JFK PIT John F. Kennedy International Airport – Pittsburgh International Airport | 545 | 7.0 min | 87.1% | 31 |
| LGA ORF LaGuardia Airport – Norfolk International Airport | 476 | 30.9 min | 65.4% | 30 |
| LGA BNA LaGuardia Airport – Nashville International Airport | 1,228 | 17.4 min | 67.9% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 29 | 29 | 93.1% | 0 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 6 | 6 | 83.3% | 0 |
| February 2025 | 1 | 1 | 100.0% | 0 |
| March 2025 | 8 | 8 | 100.0% | 0 |
| April 2025 | 54 | 54 | 83.3% | 0 |
| May 2025 | 32 | 32 | 84.4% | 0 |
| June 2025 | 29 | 29 | 93.1% | 0 |
| July 2025 | 31 | 31 | 77.4% | 0 |
| August 2025 | 31 | 31 | 83.9% | 0 |
| September 2025 | 30 | 30 | 80.0% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 29 | 25 | 68.0% | 4 |
| December 2025 | 39 | 38 | 68.4% | 1 |
| January 2026 | 60 | 58 | 58.6% | 2 |
| February 2026 | 50 | 44 | 63.6% | 6 |
| March 2026 | 36 | 34 | 61.8% | 2 |
| April 2026 | 13 | 13 | 76.9% | 0 |
| May 2026 | 15 | 15 | 80.0% | 0 |
| June 2026 | 30 | 29 | 96.6% | 1 |
| July 2026 | 31 | 30 | 80.0% | 1 |