YX3421
YX3421 (Republic Airways) is a multi-stop service on 25 routes, busiest Burlington to Newark. Of 611 departures recorded from October 2024 to July 2026, 86.8% left on time, according to the US BTS.
- On-time departures86.8%of 611 flights
- Average delay7.7 min
- July 202631▲ 0.0%vs July 2025
- Cancelled3.3%
- 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 | 31 | 33 | ▲ 6.5% |
| February | 28 | 28 | 0.0% |
| March | 29 | 31 | ▲ 6.9% |
| April | 30 | 5 | ▼ 83.3% |
| May | 23 | 31 | ▲ 34.8% |
| June | 13 | 30 | ▲ 130.8% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 34 | – | – |
| Year to date (Jan–Jul) | 185 | 189 | ▲ 2.2% |
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 | 93.1% | 90.0% | ▼ 3.3% |
| February | 100.0% | 82.1% | ▼ 17.9% |
| March | 96.6% | 71.0% | ▼ 26.5% |
| April | 86.7% | 100.0% | ▲ 15.4% |
| May | 75.0% | 96.8% | ▲ 29.0% |
| June | 54.6% | 90.0% | ▲ 65.0% |
| July | 86.2% | 86.7% | ▲ 0.5% |
| August | 80.7% | – | – |
| September | 93.3% | – | – |
| October | 90.3% | – | in progress |
| November | 83.3% | – | – |
| December | 78.1% | – | – |
| Year-to-date average (Jan–Jul) | 84.6% | 88.1% | ▲ 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 | 2 | 3 | ▲ 50.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 7 | 0 | ▼ 100.0% |
| June | 2 | 0 | ▼ 100.0% |
| July | 2 | 1 | ▼ 50.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 14 | 4 | ▼ 71.4% |
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 96.7% 591
- Cancelled 3.3% 20
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BTV EWR Patrick Leahy Burlington International Airport – Newark Liberty International Airport | 429 | 3.1 min | 90.2% | 124 |
| SBN IAD South Bend International Airport – Washington Dulles International Airport | 811 | 8.5 min | 89.7% | 87 |
| EWR SDF Newark Liberty International Airport – Louisville Muhammad Ali International Airport | 1,031 | 12.6 min | 90.1% | 72 |
| ORD ROC Chicago O'Hare International Airport – Frederick Douglass Greater Rochester International Airport | 847 | 8.1 min | 89.5% | 38 |
| CMH EWR John Glenn Columbus International Airport – Newark Liberty International Airport | 743 | 11.2 min | 81.6% | 38 |
| CLE EWR Cleveland Hopkins International Airport – Newark Liberty International Airport | 649 | 1.2 min | 84.9% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 83.3% | 0 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 31 | 29 | 93.1% | 2 |
| February 2025 | 28 | 27 | 100.0% | 1 |
| March 2025 | 29 | 29 | 96.6% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 23 | 16 | 75.0% | 7 |
| June 2025 | 13 | 11 | 54.6% | 2 |
| July 2025 | 31 | 29 | 86.2% | 2 |
| August 2025 | 31 | 31 | 80.7% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 30 | 30 | 83.3% | 0 |
| December 2025 | 34 | 32 | 78.1% | 2 |
| January 2026 | 33 | 30 | 90.0% | 3 |
| February 2026 | 28 | 28 | 82.1% | 0 |
| March 2026 | 31 | 31 | 71.0% | 0 |
| April 2026 | 5 | 5 | 100.0% | 0 |
| May 2026 | 31 | 31 | 96.8% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 31 | 30 | 86.7% | 1 |