UA2145
UA2145 (United Airlines) is a multi-stop service on 13 routes, busiest Chicago to Sacramento. Of 758 departures recorded from October 2024 to July 2026, 86.2% left on time, according to the US BTS.
- On-time departures86.2%of 758 flights
- Average delay7.3 min
- July 202631
- Cancelled0.4%
- Legs flown under this number13
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 56 | 31 | ▼ 44.6% |
| February | 56 | 43 | ▼ 23.2% |
| March | 60 | 33 | ▼ 45.0% |
| April | 30 | 37 | ▲ 23.3% |
| May | 31 | 31 | 0.0% |
| June | 25 | 30 | ▲ 20.0% |
| July | – | 31 | – |
| August | 19 | – | – |
| September | 43 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 90.9% | 74.2% | ▼ 18.4% |
| February | 91.1% | 90.5% | ▼ 0.6% |
| March | 96.7% | 84.9% | ▼ 12.2% |
| April | 90.0% | 78.4% | ▼ 12.9% |
| May | 74.2% | 96.8% | ▲ 30.4% |
| June | 52.0% | 80.0% | ▲ 53.8% |
| July | – | 87.1% | – |
| August | 79.0% | – | – |
| September | 90.7% | – | – |
| October | 93.6% | – | in progress |
| November | 90.0% | – | – |
| December | 80.7% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 99.6% 755
- Cancelled 0.4% 3
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 |
|---|---|---|---|---|
| ORD SMF Chicago O'Hare International Airport – Sacramento International Airport | 2,860 | 10.1 min | 83.0% | 258 |
| SFO ATL San Francisco International Airport – Hartsfield Jackson Atlanta International Airport | 3,435 | 1.7 min | 92.8% | 182 |
| LAX SFO Los Angeles International Airport – San Francisco International Airport | 543 | -5.5 min | 96.9% | 97 |
| SFO ORD San Francisco International Airport – Chicago O'Hare International Airport | 2,964 | 4.0 min | 91.9% | 37 |
| DEN MEM Denver International Airport – Frederick W. Smith International Airport | 1,401 | 50.2 min | 51.4% | 35 |
| PDX ORD Portland International Airport – Chicago O'Hare International Airport | 2,792 | 0.1 min | 93.6% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 35 | 35 | 94.3% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 45 | 44 | 77.3% | 1 |
| January 2025 | 56 | 55 | 90.9% | 1 |
| February 2025 | 56 | 56 | 91.1% | 0 |
| March 2025 | 60 | 60 | 96.7% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 74.2% | 0 |
| June 2025 | 25 | 25 | 52.0% | 0 |
| August 2025 | 19 | 19 | 79.0% | 0 |
| September 2025 | 43 | 43 | 90.7% | 0 |
| October 2025 | 31 | 31 | 93.6% | 0 |
| November 2025 | 30 | 30 | 90.0% | 0 |
| December 2025 | 31 | 31 | 80.7% | 0 |
| January 2026 | 31 | 31 | 74.2% | 0 |
| February 2026 | 43 | 42 | 90.5% | 1 |
| March 2026 | 33 | 33 | 84.9% | 0 |
| April 2026 | 37 | 37 | 78.4% | 0 |
| May 2026 | 31 | 31 | 96.8% | 0 |
| June 2026 | 30 | 30 | 80.0% | 0 |
| July 2026 | 31 | 31 | 87.1% | 0 |