UA1553
UA1553 (United Airlines) is a multi-stop service on 6 routes, busiest Reno to Denver. Of 166 departures recorded from October 2024 to October 2025, 78.9% left on time, according to the US BTS.
- On-time departures78.9%of 166 flights
- Average delay19.7 min
- October 202550▲ 66.7%vs October 2024
- Cancelled0.0%
- Legs flown under this number6
Recorded departures by month
Short series — UA1553 has only 4 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 periods4 periods
| Period | Departures 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | 26 | – |
| September | – | 60 | – |
| October | 30 | 50 | ▲ 66.7% |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → October 2025
On-time departures by month
Short series — UA1553 has only 4 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 periods4 periods
| Period | On time 2024 | On time 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | 73.1% | – |
| September | – | 85.0% | – |
| October | 90.0% | 68.0% | ▼ 24.4% |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → October 2025
Average departure delay by month
Short series — UA1553 has only 4 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 → October 2025
Cancelled departures by month
Short series — UA1553 has only 4 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods4 periods
| Period | Cancelled 2024 | Cancelled 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | 0 | – |
| September | – | 0 | – |
| October | 0 | 0 | – |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → October 2025
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 100.0% 166
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Oct 25, 2025
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 |
|---|---|---|---|---|
| RNO DEN Reno Tahoe International Airport – Denver International Airport | 1,291 | 22.3 min | 86.5% | 37 |
| DEN ORF Denver International Airport – Norfolk International Airport | 2,493 | 17.6 min | 73.0% | 37 |
| SLC EWR Salt Lake City International Airport – Newark Liberty International Airport | 3,160 | 15.0 min | 80.7% | 31 |
| EWR CHS Newark Liberty International Airport – Charleston International Airport | 1,011 | 26.8 min | 64.5% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 30 | 30 | 90.0% | 0 |
| August 2025 | 26 | 26 | 73.1% | 0 |
| September 2025 | 60 | 60 | 85.0% | 0 |
| October 2025 | 50 | 50 | 68.0% | 0 |