UA1204
UA1204 (United Airlines) is a multi-stop service on 14 routes, busiest Raleigh to San Francisco. Of 639 departures recorded from October 2024 to July 2026, 87.7% left on time, according to the US BTS.
- On-time departures87.7%of 639 flights
- Average delay7.4 min
- July 202631▲ 3.3%vs July 2025
- Cancelled0.5%
- Legs flown under this number14
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 | 28 | 27 | ▼ 3.6% |
| February | 24 | 27 | ▲ 12.5% |
| March | 29 | 31 | ▲ 6.9% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 202 | 207 | ▲ 2.5% |
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 | 84.0% | 77.8% | ▼ 7.4% |
| February | 70.8% | 88.9% | ▲ 25.5% |
| March | 82.8% | 90.3% | ▲ 9.1% |
| April | 90.0% | 93.3% | ▲ 3.7% |
| May | 100.0% | 87.1% | ▼ 12.9% |
| June | 86.7% | 70.0% | ▼ 19.2% |
| July | 86.7% | 67.7% | ▼ 21.8% |
| August | 83.9% | – | – |
| September | 100.0% | – | – |
| October | 100.0% | – | in progress |
| November | 96.7% | – | – |
| December | 90.3% | – | – |
| Year-to-date average (Jan–Jul) | 85.8% | 82.2% | ▼ 4.3% |
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 | 3 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| 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 99.5% 636
- Cancelled 0.5% 3
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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| RDU SFO Raleigh-Durham International Airport – San Francisco International Airport | 3,853 | -2.1 min | 95.7% | 139 |
| ORD ABQ Chicago O'Hare International Airport – Albuquerque International Sunport | 1,796 | 2.4 min | 90.2% | 122 |
| MKE DEN General Mitchell International Airport – Denver International Airport | 1,438 | 7.9 min | 90.9% | 77 |
| DEN ATW Denver International Airport – Appleton International Airport | 1,418 | 23.2 min | 70.8% | 72 |
| IAD ABQ Washington Dulles International Airport – Albuquerque International Sunport | 2,614 | 33.8 min | 81.1% | 53 |
| DEN TUS Denver International Airport – Tucson International Airport | 1,029 | 6.8 min | 86.8% | 53 |
| MSY SFO Louis Armstrong New Orleans International Airport – San Francisco International Airport | 3,069 | 8.2 min | 76.5% | 37 |
| RDU ORD Raleigh-Durham International Airport – Chicago O'Hare International Airport | 1,039 | -4.8 min | 96.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 31 | 31 | 96.8% | 0 |
| December 2024 | 26 | 26 | 88.5% | 0 |
| January 2025 | 28 | 25 | 84.0% | 3 |
| February 2025 | 24 | 24 | 70.8% | 0 |
| March 2025 | 29 | 29 | 82.8% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 100.0% | 0 |
| June 2025 | 30 | 30 | 86.7% | 0 |
| July 2025 | 30 | 30 | 86.7% | 0 |
| August 2025 | 31 | 31 | 83.9% | 0 |
| September 2025 | 30 | 30 | 100.0% | 0 |
| October 2025 | 31 | 31 | 100.0% | 0 |
| November 2025 | 30 | 30 | 96.7% | 0 |
| December 2025 | 31 | 31 | 90.3% | 0 |
| January 2026 | 27 | 27 | 77.8% | 0 |
| February 2026 | 27 | 27 | 88.9% | 0 |
| March 2026 | 31 | 31 | 90.3% | 0 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 31 | 31 | 87.1% | 0 |
| June 2026 | 30 | 30 | 70.0% | 0 |
| July 2026 | 31 | 31 | 67.7% | 0 |