YX5604
YX5604 (Republic Airways) is a multi-stop service on 6 routes, busiest Memphis to Boston. Of 571 departures recorded from October 2024 to July 2026, 92.7% left on time, according to the US BTS.
- On-time departures92.7%of 571 flights
- Average delay2.7 min
- July 202631▲ 6.9%vs July 2025
- Cancelled1.2%
- Legs flown under this number6
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 | 27 | 8 | ▼ 70.4% |
| February | 23 | 5 | ▼ 78.3% |
| March | 26 | 24 | ▼ 7.7% |
| April | 26 | 30 | ▲ 15.4% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 29 | 31 | ▲ 6.9% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 28 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 192 | 159 | ▼ 17.2% |
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 | 84.6% | 85.7% | ▲ 1.3% |
| February | 91.3% | 80.0% | ▼ 12.4% |
| March | 92.0% | 91.3% | ▼ 0.8% |
| April | 92.0% | 96.7% | ▲ 5.1% |
| May | 96.8% | 100.0% | ▲ 3.3% |
| June | 93.3% | 83.3% | ▼ 10.7% |
| July | 89.3% | 86.7% | ▼ 2.9% |
| August | 93.3% | – | – |
| September | 96.7% | – | – |
| October | 100.0% | – | in progress |
| November | 89.3% | – | – |
| December | 93.6% | – | – |
| Year-to-date average (Jan–Jul) | 91.3% | 89.1% | ▼ 2.4% |
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 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 1 | 1 | 0.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 1 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 3 | ▼ 25.0% |
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 98.8% 564
- Cancelled 1.2% 7
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MEM BOS Frederick W. Smith International Airport – Boston Logan International Airport | 1,831 | 2.5 min | 93.0% | 551 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 93.8% | 0 |
| November 2024 | 27 | 27 | 92.6% | 0 |
| December 2024 | 28 | 28 | 100.0% | 0 |
| January 2025 | 27 | 26 | 84.6% | 1 |
| February 2025 | 23 | 23 | 91.3% | 0 |
| March 2025 | 26 | 25 | 92.0% | 1 |
| April 2025 | 26 | 25 | 92.0% | 1 |
| May 2025 | 31 | 31 | 96.8% | 0 |
| June 2025 | 30 | 30 | 93.3% | 0 |
| July 2025 | 29 | 28 | 89.3% | 1 |
| August 2025 | 30 | 30 | 93.3% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 30 | 30 | 100.0% | 0 |
| November 2025 | 28 | 28 | 89.3% | 0 |
| December 2025 | 31 | 31 | 93.6% | 0 |
| January 2026 | 8 | 7 | 85.7% | 1 |
| February 2026 | 5 | 5 | 80.0% | 0 |
| March 2026 | 24 | 23 | 91.3% | 1 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 31 | 31 | 100.0% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 31 | 30 | 86.7% | 1 |