UA2664
UA2664 (United Airlines) is a multi-stop service on 8 routes, busiest San Francisco to Baltimore. Of 669 departures recorded from October 2024 to July 2026, 85.6% left on time, according to the US BTS.
- On-time departures85.6%of 669 flights
- Average delay5.7 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.3%
- Legs flown under this number8
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 | 31 | 31 | 0.0% |
| February | 26 | 28 | ▲ 7.7% |
| March | 24 | 31 | ▲ 29.2% |
| April | 30 | 30 | 0.0% |
| May | 31 | 38 | ▲ 22.6% |
| June | 30 | 43 | ▲ 43.3% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 203 | 232 | ▲ 14.3% |
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 | 80.7% | 76.7% | ▼ 4.9% |
| February | 88.5% | 92.9% | ▲ 5.0% |
| March | 95.8% | 83.9% | ▼ 12.5% |
| April | 90.0% | 93.3% | ▲ 3.7% |
| May | 93.6% | 97.4% | ▲ 4.1% |
| June | 86.7% | 76.7% | ▼ 11.5% |
| July | 63.3% | 80.7% | ▲ 27.3% |
| August | 74.2% | – | – |
| September | 86.7% | – | – |
| October | 90.3% | – | in progress |
| November | 93.3% | – | – |
| December | 80.7% | – | – |
| Year-to-date average (Jan–Jul) | 85.5% | 85.9% | ▲ 0.5% |
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 | 0 | 1 | – |
| 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 | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
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 99.7% 667
- Cancelled 0.3% 2
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SFO BWI San Francisco International Airport – Baltimore/Washington International Thurgood Marshall Airport | 3,944 | 3.8 min | 87.3% | 522 |
| ORD MSP Chicago O'Hare International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 537 | 7.3 min | 89.2% | 37 |
| IAH FLL George Bush Intercontinental Airport – Fort Lauderdale Hollywood International Airport | 1,552 | 15.8 min | 88.9% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 31 | 31 | 80.7% | 0 |
| February 2025 | 26 | 26 | 88.5% | 0 |
| March 2025 | 24 | 24 | 95.8% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 30 | 30 | 86.7% | 0 |
| July 2025 | 31 | 30 | 63.3% | 1 |
| August 2025 | 31 | 31 | 74.2% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 30 | 30 | 93.3% | 0 |
| December 2025 | 31 | 31 | 80.7% | 0 |
| January 2026 | 31 | 30 | 76.7% | 1 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 31 | 31 | 83.9% | 0 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 38 | 38 | 97.4% | 0 |
| June 2026 | 43 | 43 | 76.7% | 0 |
| July 2026 | 31 | 31 | 80.7% | 0 |