UA517
UA517 (United Airlines) is a multi-stop service on 21 routes, busiest Newark to Miami. Of 813 departures recorded from October 2024 to July 2026, 87.6% left on time, according to the US BTS.
- On-time departures87.6%of 813 flights
- Average delay5.8 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.1%
- Legs flown under this number21
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 | 30 | 36 | ▲ 20.0% |
| February | 44 | 28 | ▼ 36.4% |
| March | 36 | 21 | ▼ 41.7% |
| April | 30 | 46 | ▲ 53.3% |
| May | 17 | 29 | ▲ 70.6% |
| June | 15 | 27 | ▲ 80.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 65 | – | – |
| October | 86 | – | in progress |
| November | 59 | – | – |
| December | 73 | – | – |
| Year to date (Jan–Jul) | 203 | 218 | ▲ 7.4% |
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 | 89.7% | 97.2% | ▲ 8.4% |
| February | 86.4% | 85.7% | ▼ 0.8% |
| March | 100.0% | 63.2% | ▼ 36.8% |
| April | 96.7% | 68.9% | ▼ 28.7% |
| May | 93.8% | 92.9% | ▼ 0.9% |
| June | 93.3% | 81.5% | ▼ 12.7% |
| July | 90.0% | 83.9% | ▼ 6.8% |
| August | 96.7% | – | – |
| September | 93.9% | – | – |
| October | 91.9% | – | in progress |
| November | 87.9% | – | – |
| December | 86.3% | – | – |
| Year-to-date average (Jan–Jul) | 92.8% | 81.9% | ▼ 11.8% |
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 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 1 | – |
| May | 1 | 1 | 0.0% |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 4 | ▲ 33.3% |
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 98.9% 804
- Cancelled 1.1% 9
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
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 94.7% | 0 |
| November 2024 | 30 | 30 | 70.0% | 0 |
| December 2024 | 29 | 29 | 72.4% | 0 |
| January 2025 | 30 | 29 | 89.7% | 1 |
| February 2025 | 44 | 44 | 86.4% | 0 |
| March 2025 | 36 | 36 | 100.0% | 0 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 17 | 16 | 93.8% | 1 |
| June 2025 | 15 | 15 | 93.3% | 0 |
| July 2025 | 31 | 30 | 90.0% | 1 |
| August 2025 | 31 | 30 | 96.7% | 1 |
| September 2025 | 65 | 65 | 93.9% | 0 |
| October 2025 | 86 | 86 | 91.9% | 0 |
| November 2025 | 59 | 58 | 87.9% | 1 |
| December 2025 | 73 | 73 | 86.3% | 0 |
| January 2026 | 36 | 36 | 97.2% | 0 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 21 | 19 | 63.2% | 2 |
| April 2026 | 46 | 45 | 68.9% | 1 |
| May 2026 | 29 | 28 | 92.9% | 1 |
| June 2026 | 27 | 27 | 81.5% | 0 |
| July 2026 | 31 | 31 | 83.9% | 0 |