UA1668
UA1668 (United Airlines) is a multi-stop service on 11 routes, busiest Austin to San Francisco. Of 900 departures recorded from October 2024 to July 2026, 79.5% left on time, according to the US BTS.
- On-time departures79.5%of 900 flights
- Average delay13.3 min
- July 202631▼ 26.2%vs July 2025
- Cancelled0.7%
- Legs flown under this number11
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 | 23 | 57 | ▲ 147.8% |
| February | 22 | 51 | ▲ 131.8% |
| March | 31 | 62 | ▲ 100.0% |
| April | 30 | 59 | ▲ 96.7% |
| May | 30 | 31 | ▲ 3.3% |
| June | 33 | 30 | ▼ 9.1% |
| July | 42 | 31 | ▼ 26.2% |
| August | 51 | – | – |
| September | 56 | – | – |
| October | 59 | – | in progress |
| November | 60 | – | – |
| December | 60 | – | – |
| Year to date (Jan–Jul) | 211 | 321 | ▲ 52.1% |
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 | 90.9% | 85.7% | ▼ 5.7% |
| February | 81.8% | 84.3% | ▲ 3.0% |
| March | 80.7% | 85.5% | ▲ 6.0% |
| April | 86.7% | 74.6% | ▼ 13.9% |
| May | 83.3% | 48.4% | ▼ 41.9% |
| June | 63.6% | 60.0% | ▼ 5.7% |
| July | 78.1% | 54.8% | ▼ 29.7% |
| August | 84.3% | – | – |
| September | 87.5% | – | – |
| October | 84.8% | – | in progress |
| November | 78.0% | – | – |
| December | 85.0% | – | – |
| Year-to-date average (Jan–Jul) | 80.7% | 70.5% | ▼ 12.7% |
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 | 1 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 50.0% |
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% 894
- Cancelled 0.7% 6
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| AUS SFO Austin Bergstrom International Airport – San Francisco International Airport | 2,417 | 14.1 min | 76.9% | 484 |
| SFO PDX San Francisco International Airport – Portland International Airport | 886 | 8.9 min | 83.9% | 181 |
| SFO SAN San Francisco International Airport – San Diego International Airport | 719 | 3.7 min | 89.3% | 56 |
| SEA IAH Seattle–Tacoma International Airport – George Bush Intercontinental Airport | 3,013 | 21.4 min | 89.5% | 39 |
| IAH BNA George Bush Intercontinental Airport – Nashville International Airport | 1,057 | 43.0 min | 63.2% | 38 |
| IAD LAS Washington Dulles International Airport – Harry Reid International Airport | 3,316 | 13.6 min | 70.6% | 34 |
| IAD ORF Washington Dulles International Airport – Norfolk International Airport | 253 | 5.4 min | 84.4% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 18 | 94.4% | 2 |
| November 2024 | 27 | 27 | 74.1% | 0 |
| December 2024 | 35 | 35 | 85.7% | 0 |
| January 2025 | 23 | 22 | 90.9% | 1 |
| February 2025 | 22 | 22 | 81.8% | 0 |
| March 2025 | 31 | 31 | 80.7% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 30 | 30 | 83.3% | 0 |
| June 2025 | 33 | 33 | 63.6% | 0 |
| July 2025 | 42 | 41 | 78.1% | 1 |
| August 2025 | 51 | 51 | 84.3% | 0 |
| September 2025 | 56 | 56 | 87.5% | 0 |
| October 2025 | 59 | 59 | 84.8% | 0 |
| November 2025 | 60 | 59 | 78.0% | 1 |
| December 2025 | 60 | 60 | 85.0% | 0 |
| January 2026 | 57 | 56 | 85.7% | 1 |
| February 2026 | 51 | 51 | 84.3% | 0 |
| March 2026 | 62 | 62 | 85.5% | 0 |
| April 2026 | 59 | 59 | 74.6% | 0 |
| May 2026 | 31 | 31 | 48.4% | 0 |
| June 2026 | 30 | 30 | 60.0% | 0 |
| July 2026 | 31 | 31 | 54.8% | 0 |