UA1008
UA1008 (United Airlines) is a multi-stop service on 11 routes, busiest Boston to San Francisco. Of 1,027 departures recorded from October 2024 to July 2026, 86.4% left on time, according to the US BTS.
- On-time departures86.4%of 1,027 flights
- Average delay6.7 min
- July 202662▲ 0.0%vs July 2025
- Cancelled0.9%
- Legs flown under this number11
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 60 | ▲ 93.5% |
| February | 28 | 39 | ▲ 39.3% |
| March | 31 | 31 | 0.0% |
| April | 60 | 30 | ▼ 50.0% |
| May | 56 | 42 | ▼ 25.0% |
| June | 60 | 58 | ▼ 3.3% |
| July | 62 | 62 | 0.0% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 60 | – | – |
| December | 55 | – | – |
| Year to date (Jan–Jul) | 328 | 322 | ▼ 1.8% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 83.9% | 88.1% | ▲ 5.1% |
| February | 92.9% | 86.1% | ▼ 7.3% |
| March | 90.3% | 83.3% | ▼ 7.7% |
| April | 90.0% | 82.8% | ▼ 8.0% |
| May | 76.8% | 90.5% | ▲ 17.8% |
| June | 88.3% | 81.0% | ▼ 8.3% |
| July | 80.7% | 95.0% | ▲ 17.8% |
| August | 82.0% | – | – |
| September | 91.7% | – | – |
| October | 90.3% | – | in progress |
| November | 85.0% | – | – |
| December | 78.2% | – | – |
| Year-to-date average (Jan–Jul) | 86.1% | 86.7% | ▲ 0.7% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 3 | – |
| March | 0 | 1 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 2 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 8 |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.1% 1,018
- Cancelled 0.9% 9
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS SFO Boston Logan International Airport – San Francisco International Airport | 4,341 | 4.0 min | 88.0% | 506 |
| SFO SEA San Francisco International Airport – Seattle–Tacoma International Airport | 1,093 | 13.5 min | 81.7% | 131 |
| ORD SBA Chicago O'Hare International Airport – Santa Barbara Municipal Airport | 2,895 | 7.4 min | 87.2% | 117 |
| SFO IAH San Francisco International Airport – George Bush Intercontinental Airport | 2,627 | 3.1 min | 89.0% | 91 |
| SFO PDX San Francisco International Airport – Portland International Airport | 886 | 11.0 min | 78.0% | 50 |
| SYR ORD Syracuse Hancock International Airport – Chicago O'Hare International Airport | 974 | 7.4 min | 93.9% | 35 |
| STL ORD St. Louis Lambert International Airport – Chicago O'Hare International Airport | 415 | 9.5 min | 85.7% | 35 |
| SFO ORD San Francisco International Airport – Chicago O'Hare International Airport | 2,964 | 5.4 min | 83.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 27 | 27 | 100.0% | 0 |
| December 2024 | 31 | 31 | 77.4% | 0 |
| January 2025 | 31 | 31 | 83.9% | 0 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 31 | 31 | 90.3% | 0 |
| April 2025 | 60 | 60 | 90.0% | 0 |
| May 2025 | 56 | 56 | 76.8% | 0 |
| June 2025 | 60 | 60 | 88.3% | 0 |
| July 2025 | 62 | 62 | 80.7% | 0 |
| August 2025 | 62 | 61 | 82.0% | 1 |
| September 2025 | 60 | 60 | 91.7% | 0 |
| October 2025 | 62 | 62 | 90.3% | 0 |
| November 2025 | 60 | 60 | 85.0% | 0 |
| December 2025 | 55 | 55 | 78.2% | 0 |
| January 2026 | 60 | 59 | 88.1% | 1 |
| February 2026 | 39 | 36 | 86.1% | 3 |
| March 2026 | 31 | 30 | 83.3% | 1 |
| April 2026 | 30 | 29 | 82.8% | 1 |
| May 2026 | 42 | 42 | 90.5% | 0 |
| June 2026 | 58 | 58 | 81.0% | 0 |
| July 2026 | 62 | 60 | 95.0% | 2 |