UA555
UA555 (United Airlines) is a multi-stop service on 19 routes, busiest Atlanta to Newark. Of 776 departures recorded from October 2024 to July 2026, 66.4% left on time, according to the US BTS.
- On-time departures66.4%of 776 flights
- Average delay34.3 min
- July 202631▲ 3.3%vs July 2025
- Cancelled3.4%
- Legs flown under this number19
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 | 50 | 28 | ▼ 44.0% |
| February | 36 | 28 | ▼ 22.2% |
| March | 31 | 34 | ▲ 9.7% |
| April | 47 | 72 | ▲ 53.2% |
| May | 29 | 45 | ▲ 55.2% |
| June | 35 | 27 | ▼ 22.9% |
| July | 30 | 31 | ▲ 3.3% |
| August | 31 | – | – |
| September | 29 | – | – |
| October | 33 | – | in progress |
| November | 55 | – | – |
| December | 30 | – | – |
| Year to date (Jan–Jul) | 258 | 265 | ▲ 2.7% |
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 | 78.7% | 85.2% | ▲ 8.2% |
| February | 80.6% | 92.3% | ▲ 14.6% |
| March | 77.4% | 75.8% | ▼ 2.1% |
| April | 46.8% | 84.7% | ▲ 81.0% |
| May | 25.0% | 82.2% | ▲ 228.9% |
| June | 50.0% | 60.0% | ▲ 20.0% |
| July | 34.8% | 46.2% | ▲ 32.7% |
| August | 64.5% | – | – |
| September | 79.3% | – | – |
| October | 48.5% | – | in progress |
| November | 64.2% | – | – |
| December | 51.7% | – | – |
| Year-to-date average (Jan–Jul) | 56.2% | 75.2% | ▲ 33.8% |
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 | 3 | 1 | ▼ 66.7% |
| February | 0 | 2 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 1 | 2 | ▲ 100.0% |
| July | 7 | 5 | ▼ 28.6% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 12 | 11 | ▼ 8.3% |
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 96.6% 750
- Cancelled 3.4% 26
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL EWR Hartsfield Jackson Atlanta International Airport – Newark Liberty International Airport | 1,199 | 35.4 min | 66.2% | 543 |
| EWR PHX Newark Liberty International Airport – Phoenix Sky Harbor International Airport | 3,425 | 9.4 min | 85.7% | 56 |
| EWR PWM Newark Liberty International Airport – Portland International Jetport | 458 | 64.1 min | 52.8% | 36 |
| EWR SFO Newark Liberty International Airport – San Francisco International Airport | 4,118 | 67.3 min | 29.6% | 35 |
| EWR IAD Newark Liberty International Airport – Washington Dulles International Airport | 341 | 7.5 min | 90.6% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 70.6% | 0 |
| November 2024 | 29 | 29 | 69.0% | 0 |
| December 2024 | 29 | 29 | 58.6% | 0 |
| January 2025 | 50 | 47 | 78.7% | 3 |
| February 2025 | 36 | 36 | 80.6% | 0 |
| March 2025 | 31 | 31 | 77.4% | 0 |
| April 2025 | 47 | 47 | 46.8% | 0 |
| May 2025 | 29 | 28 | 25.0% | 1 |
| June 2025 | 35 | 34 | 50.0% | 1 |
| July 2025 | 30 | 23 | 34.8% | 7 |
| August 2025 | 31 | 31 | 64.5% | 0 |
| September 2025 | 29 | 29 | 79.3% | 0 |
| October 2025 | 33 | 33 | 48.5% | 0 |
| November 2025 | 55 | 53 | 64.2% | 2 |
| December 2025 | 30 | 29 | 51.7% | 1 |
| January 2026 | 28 | 27 | 85.2% | 1 |
| February 2026 | 28 | 26 | 92.3% | 2 |
| March 2026 | 34 | 33 | 75.8% | 1 |
| April 2026 | 72 | 72 | 84.7% | 0 |
| May 2026 | 45 | 45 | 82.2% | 0 |
| June 2026 | 27 | 25 | 60.0% | 2 |
| July 2026 | 31 | 26 | 46.2% | 5 |