UA522
UA522 (United Airlines) is a multi-stop service on 6 routes, busiest Houston to Seattle. Of 177 departures recorded from October 2024 to January 2026, 83.3% left on time, according to the US BTS.
- On-time departures83.3%of 177 flights
- Average delay8.2 min
- January 20261▼ 96.8%vs January 2025
- Cancelled1.7%
- Legs flown under this number6
Recorded departures by month
Short series — UA522 has only 9 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods6 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 1 | ▼ 96.8% |
| February | 28 | – | – |
| March | 5 | – | – |
| April | – | – | – |
| May | 28 | – | – |
| June | 3 | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
| Year to date (Jan–Jan) | 31 | 1 | ▼ 96.8% |
according to the US BTS · October 2024 → January 2026
On-time departures by month
Short series — UA522 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods6 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 82.8% | 0.0% | ▼ 100.0% |
| February | 75.0% | – | – |
| March | 80.0% | – | – |
| April | – | – | – |
| May | 96.4% | – | – |
| June | 33.3% | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
| Year-to-date average (Jan–Jan) | 82.8% | 0.0% | ▼ 100.0% |
according to the US BTS · October 2024 → January 2026
Average departure delay by month
Short series — UA522 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · October 2024 → January 2026
Cancelled departures by month
Short series — UA522 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods6 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 0 | ▼ 100.0% |
| February | 0 | – | – |
| March | 0 | – | – |
| April | – | – | – |
| May | 0 | – | – |
| June | 0 | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
| Year to date (Jan–Jan) | 2 | 0 | ▼ 100.0% |
according to the US BTS · October 2024 → January 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 98.3% 174
- Cancelled 1.7% 3
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jan 5, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IAH SEA George Bush Intercontinental Airport – Seattle–Tacoma International Airport | 3,013 | 8.4 min | 83.7% | 87 |
| EWR ATL Newark Liberty International Airport – Hartsfield Jackson Atlanta International Airport | 1,199 | 9.6 min | 80.4% | 58 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 31 | 30 | 80.0% | 1 |
| January 2025 | 31 | 29 | 82.8% | 2 |
| February 2025 | 28 | 28 | 75.0% | 0 |
| March 2025 | 5 | 5 | 80.0% | 0 |
| May 2025 | 28 | 28 | 96.4% | 0 |
| June 2025 | 3 | 3 | 33.3% | 0 |
| January 2026 | 1 | 1 | 0.0% | 0 |