UA515
UA515 (United Airlines) is a multi-stop service on 11 routes, busiest Newark to San Antonio. Of 911 departures recorded from October 2024 to July 2026, 85.4% left on time, according to the US BTS.
- On-time departures85.4%of 911 flights
- Average delay4.0 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.0%
- Legs flown under this number11
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 | 28 | 62 | ▲ 121.4% |
| February | 26 | 39 | ▲ 50.0% |
| March | 31 | 58 | ▲ 87.1% |
| April | 30 | 89 | ▲ 196.7% |
| May | 31 | 51 | ▲ 64.5% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 44 | – | – |
| September | 60 | – | – |
| October | 56 | – | in progress |
| November | 30 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 207 | 360 | ▲ 73.9% |
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 | 82.1% | 88.5% | ▲ 7.8% |
| February | 84.0% | 91.9% | ▲ 9.4% |
| March | 93.6% | 84.2% | ▼ 10.0% |
| April | 86.7% | 86.5% | ▼ 0.2% |
| May | 56.7% | 94.1% | ▲ 66.1% |
| June | 100.0% | 83.3% | ▼ 16.7% |
| July | 77.4% | 86.2% | ▲ 11.4% |
| August | 72.1% | – | – |
| September | 88.3% | – | – |
| October | 83.9% | – | in progress |
| November | 86.7% | – | – |
| December | 82.2% | – | – |
| Year-to-date average (Jan–Jul) | 82.9% | 87.8% | ▲ 5.9% |
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 | 1 | – |
| February | 1 | 2 | ▲ 100.0% |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 2 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 6 | ▲ 200.0% |
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 99.0% 902
- Cancelled 1.0% 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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| EWR SAT Newark Liberty International Airport – San Antonio International Airport | 2,522 | 3.4 min | 86.7% | 344 |
| BOS EWR Boston Logan International Airport – Newark Liberty International Airport | 322 | 4.3 min | 85.0% | 270 |
| SAT IAH San Antonio International Airport – George Bush Intercontinental Airport | 306 | 2.0 min | 87.9% | 133 |
| SAT DEN San Antonio International Airport – Denver International Airport | 1,280 | 9.3 min | 75.0% | 68 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 50 | 50 | 88.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 29 | 29 | 82.8% | 0 |
| January 2025 | 28 | 28 | 82.1% | 0 |
| February 2025 | 26 | 25 | 84.0% | 1 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 31 | 30 | 56.7% | 1 |
| June 2025 | 30 | 30 | 100.0% | 0 |
| July 2025 | 31 | 31 | 77.4% | 0 |
| August 2025 | 44 | 43 | 72.1% | 1 |
| September 2025 | 60 | 60 | 88.3% | 0 |
| October 2025 | 56 | 56 | 83.9% | 0 |
| November 2025 | 30 | 30 | 86.7% | 0 |
| December 2025 | 45 | 45 | 82.2% | 0 |
| January 2026 | 62 | 61 | 88.5% | 1 |
| February 2026 | 39 | 37 | 91.9% | 2 |
| March 2026 | 58 | 57 | 84.2% | 1 |
| April 2026 | 89 | 89 | 86.5% | 0 |
| May 2026 | 51 | 51 | 94.1% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 31 | 29 | 86.2% | 2 |