UA670
UA670 (United Airlines) is a multi-stop service on 7 routes, busiest Denver to San Jose. Of 426 departures recorded from October 2024 to July 2026, 88.9% left on time, according to the US BTS.
- On-time departures88.9%of 426 flights
- Average delay3.8 min
- July 202627
- Cancelled0.7%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods12 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 31 | – |
| February | – | 28 | – |
| March | 2 | 58 | ▲ 2,800.0% |
| April | 30 | 60 | ▲ 100.0% |
| May | – | 62 | – |
| June | – | 54 | – |
| July | – | 27 | – |
| August | – | – | – |
| September | – | – | – |
| October | 6 | – | in progress |
| November | 29 | – | – |
| 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 periods12 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 87.1% | – |
| February | – | 92.9% | – |
| March | 100.0% | 82.8% | ▼ 17.2% |
| April | 96.7% | 98.3% | ▲ 1.7% |
| May | – | 93.6% | – |
| June | – | 96.3% | – |
| July | – | 96.3% | – |
| August | – | – | – |
| September | – | – | – |
| October | 83.3% | – | in progress |
| November | 76.9% | – | – |
| December | 67.7% | – | – |
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 periods12 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| 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 99.3% 423
- Cancelled 0.7% 3
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN SJC Denver International Airport – Mineta San Jose International Airport | 1,522 | 3.6 min | 89.5% | 171 |
| EWR DEN Newark Liberty International Airport – Denver International Airport | 2,576 | -4.1 min | 96.6% | 145 |
| CMH ORD John Glenn Columbus International Airport – Chicago O'Hare International Airport | 475 | 20.7 min | 72.1% | 46 |
| MCO IAD Orlando International Airport – Washington Dulles International Airport | 1,222 | -6.5 min | 96.9% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 8 | 8 | 37.5% | 0 |
| March 2025 | 2 | 2 | 100.0% | 0 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 6 | 6 | 83.3% | 0 |
| November 2025 | 29 | 26 | 76.9% | 3 |
| December 2025 | 31 | 31 | 67.7% | 0 |
| January 2026 | 31 | 31 | 87.1% | 0 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 58 | 58 | 82.8% | 0 |
| April 2026 | 60 | 60 | 98.3% | 0 |
| May 2026 | 62 | 62 | 93.6% | 0 |
| June 2026 | 54 | 54 | 96.3% | 0 |
| July 2026 | 27 | 27 | 96.3% | 0 |