UA593
UA593 (United Airlines) is a multi-stop service on 24 routes, busiest Newark to Boston. Of 792 departures recorded from October 2024 to July 2026, 87.9% left on time, according to the US BTS.
- On-time departures87.9%of 792 flights
- Average delay6.3 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.3%
- Legs flown under this number24
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 | 56 | 45 | ▼ 19.6% |
| February | 40 | 34 | ▼ 15.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 25 | 27 | ▲ 8.0% |
| June | 17 | 24 | ▲ 41.2% |
| July | 31 | 31 | 0.0% |
| August | 49 | – | – |
| September | 30 | – | – |
| October | 51 | – | in progress |
| November | 55 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 230 | 222 | ▼ 3.5% |
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 | 87.5% | 93.2% | ▲ 6.5% |
| February | 80.0% | 94.1% | ▲ 17.7% |
| March | 96.7% | 96.8% | ▲ 0.1% |
| April | 89.7% | 96.7% | ▲ 7.8% |
| May | 37.5% | 96.3% | ▲ 156.8% |
| June | 87.5% | 91.7% | ▲ 4.8% |
| July | 77.4% | 86.7% | ▲ 11.9% |
| August | 87.5% | – | – |
| September | 93.1% | – | – |
| October | 98.0% | – | in progress |
| November | 83.3% | – | – |
| December | 87.5% | – | – |
| Year-to-date average (Jan–Jul) | 79.5% | 93.6% | ▲ 17.8% |
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 | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 1 | 0 | ▼ 100.0% |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 1 | – |
| August | 1 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 2 | ▼ 50.0% |
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 98.7% 782
- Cancelled 1.3% 10
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 |
|---|---|---|---|---|
| EWR BOS Newark Liberty International Airport – Boston Logan International Airport | 322 | 5.1 min | 86.5% | 276 |
| ATL EWR Hartsfield Jackson Atlanta International Airport – Newark Liberty International Airport | 1,199 | 19.1 min | 81.3% | 100 |
| BNA EWR Nashville International Airport – Newark Liberty International Airport | 1,201 | 4.5 min | 94.7% | 96 |
| SFO SEA San Francisco International Airport – Seattle–Tacoma International Airport | 1,093 | 12.8 min | 86.5% | 37 |
| FLL EWR Fort Lauderdale Hollywood International Airport – Newark Liberty International Airport | 1,717 | 1.5 min | 86.1% | 37 |
| EWR SFO Newark Liberty International Airport – San Francisco International Airport | 4,118 | 11.2 min | 81.1% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 47 | 47 | 91.5% | 0 |
| November 2024 | 45 | 45 | 84.4% | 0 |
| December 2024 | 31 | 30 | 83.3% | 1 |
| January 2025 | 56 | 56 | 87.5% | 0 |
| February 2025 | 40 | 40 | 80.0% | 0 |
| March 2025 | 31 | 30 | 96.7% | 1 |
| April 2025 | 30 | 29 | 89.7% | 1 |
| May 2025 | 25 | 24 | 37.5% | 1 |
| June 2025 | 17 | 16 | 87.5% | 1 |
| July 2025 | 31 | 31 | 77.4% | 0 |
| August 2025 | 49 | 48 | 87.5% | 1 |
| September 2025 | 30 | 29 | 93.1% | 1 |
| October 2025 | 51 | 51 | 98.0% | 0 |
| November 2025 | 55 | 54 | 83.3% | 1 |
| December 2025 | 32 | 32 | 87.5% | 0 |
| January 2026 | 45 | 44 | 93.2% | 1 |
| February 2026 | 34 | 34 | 94.1% | 0 |
| March 2026 | 31 | 31 | 96.8% | 0 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 27 | 27 | 96.3% | 0 |
| June 2026 | 24 | 24 | 91.7% | 0 |
| July 2026 | 31 | 30 | 86.7% | 1 |