UA611
UA611 (United Airlines) is a multi-stop service on 10 routes, busiest San Francisco to Las Vegas. Of 992 departures recorded from October 2024 to July 2026, 85.6% left on time, according to the US BTS.
- On-time departures85.6%of 992 flights
- Average delay5.8 min
- July 202662▲ 100.0%vs July 2025
- Cancelled0.7%
- Legs flown under this number10
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 | 62 | 35 | ▼ 43.5% |
| February | 56 | 62 | ▲ 10.7% |
| March | 38 | 39 | ▲ 2.6% |
| April | 60 | 31 | ▼ 48.3% |
| May | 62 | 31 | ▼ 50.0% |
| June | 55 | 36 | ▼ 34.5% |
| July | 31 | 62 | ▲ 100.0% |
| August | 47 | – | – |
| September | 60 | – | – |
| October | 56 | – | in progress |
| November | 30 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 364 | 296 | ▼ 18.7% |
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 | 90.0% | 80.0% | ▼ 11.1% |
| February | 87.5% | 83.9% | ▼ 4.1% |
| March | 92.1% | 76.9% | ▼ 16.5% |
| April | 91.7% | 96.8% | ▲ 5.6% |
| May | 80.7% | 83.9% | ▲ 4.0% |
| June | 92.7% | 83.3% | ▼ 10.1% |
| July | 86.7% | 71.0% | ▼ 18.1% |
| August | 82.2% | – | – |
| September | 96.7% | – | – |
| October | 92.9% | – | in progress |
| November | 92.9% | – | – |
| December | 86.7% | – | – |
| Year-to-date average (Jan–Jul) | 88.8% | 82.2% | ▼ 7.3% |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 0 | ▼ 100.0% |
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% 985
- Cancelled 0.7% 7
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 |
|---|---|---|---|---|
| SFO LAS San Francisco International Airport – Harry Reid International Airport | 665 | 6.6 min | 85.0% | 535 |
| IAH SFO George Bush Intercontinental Airport – San Francisco International Airport | 2,627 | 0.9 min | 94.5% | 130 |
| BNA SFO Nashville International Airport – San Francisco International Airport | 3,161 | 1.2 min | 88.4% | 103 |
| ORD SFO Chicago O'Hare International Airport – San Francisco International Airport | 2,964 | 8.9 min | 79.7% | 72 |
| DTW SFO Detroit Metropolitan Wayne County Airport – San Francisco International Airport | 3,337 | -1.1 min | 92.5% | 53 |
| TPA SFO Tampa International Airport – San Francisco International Airport | 3,844 | 9.4 min | 75.7% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 30 | 30 | 80.0% | 0 |
| December 2024 | 44 | 44 | 68.2% | 0 |
| January 2025 | 62 | 60 | 90.0% | 2 |
| February 2025 | 56 | 56 | 87.5% | 0 |
| March 2025 | 38 | 38 | 92.1% | 0 |
| April 2025 | 60 | 60 | 91.7% | 0 |
| May 2025 | 62 | 62 | 80.7% | 0 |
| June 2025 | 55 | 55 | 92.7% | 0 |
| July 2025 | 31 | 30 | 86.7% | 1 |
| August 2025 | 47 | 45 | 82.2% | 2 |
| September 2025 | 60 | 60 | 96.7% | 0 |
| October 2025 | 56 | 56 | 92.9% | 0 |
| November 2025 | 30 | 28 | 92.9% | 2 |
| December 2025 | 45 | 45 | 86.7% | 0 |
| January 2026 | 35 | 35 | 80.0% | 0 |
| February 2026 | 62 | 62 | 83.9% | 0 |
| March 2026 | 39 | 39 | 76.9% | 0 |
| April 2026 | 31 | 31 | 96.8% | 0 |
| May 2026 | 31 | 31 | 83.9% | 0 |
| June 2026 | 36 | 36 | 83.3% | 0 |
| July 2026 | 62 | 62 | 71.0% | 0 |