UA1227
UA1227 (United Airlines) is a multi-stop service on 19 routes, busiest Newark to San Francisco. Of 1,158 departures recorded from October 2024 to July 2026, 83.1% left on time, according to the US BTS.
- On-time departures83.1%of 1,158 flights
- Average delay12.4 min
- July 202662▼ 33.3%vs July 2025
- Cancelled1.3%
- Legs flown under this number19
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 | 30 | 31 | ▲ 3.3% |
| February | 28 | 45 | ▲ 60.7% |
| March | 33 | 62 | ▲ 87.9% |
| April | 60 | 60 | 0.0% |
| May | 63 | 62 | ▼ 1.6% |
| June | 90 | 60 | ▼ 33.3% |
| July | 93 | 62 | ▼ 33.3% |
| August | 67 | – | – |
| September | 36 | – | – |
| October | 61 | – | in progress |
| November | 55 | – | – |
| December | 48 | – | – |
| Year to date (Jan–Jul) | 397 | 382 | ▼ 3.8% |
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 | 93.3% | 73.3% | ▼ 21.4% |
| February | 85.7% | 76.7% | ▼ 10.5% |
| March | 66.7% | 75.4% | ▲ 13.1% |
| April | 75.0% | 94.8% | ▲ 26.4% |
| May | 76.2% | 88.7% | ▲ 16.4% |
| June | 89.8% | 79.7% | ▼ 11.3% |
| July | 89.0% | 82.0% | ▼ 7.9% |
| August | 84.4% | – | – |
| September | 91.7% | – | – |
| October | 86.9% | – | in progress |
| November | 83.6% | – | – |
| December | 68.8% | – | – |
| Year-to-date average (Jan–Jul) | 82.2% | 81.5% | ▼ 0.9% |
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 | 2 | – |
| March | 0 | 1 | – |
| April | 0 | 2 | – |
| May | 0 | 0 | – |
| June | 2 | 1 | ▼ 50.0% |
| July | 2 | 1 | ▼ 50.0% |
| August | 3 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 8 | ▲ 100.0% |
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 98.7% 1,143
- Cancelled 1.3% 15
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 |
|---|---|---|---|---|
| EWR SFO Newark Liberty International Airport – San Francisco International Airport | 4,118 | 20.4 min | 76.9% | 452 |
| MCO EWR Orlando International Airport – Newark Liberty International Airport | 1,511 | 4.6 min | 90.3% | 253 |
| SFO PHX San Francisco International Airport – Phoenix Sky Harbor International Airport | 1,047 | 10.4 min | 81.8% | 121 |
| RDU EWR Raleigh-Durham International Airport – Newark Liberty International Airport | 670 | 27.2 min | 82.5% | 63 |
| ORD MCO Chicago O'Hare International Airport – Orlando International Airport | 1,620 | 3.1 min | 89.2% | 37 |
| IAH MIA George Bush Intercontinental Airport – Miami International Airport | 1,549 | 13.1 min | 75.7% | 37 |
| BNA EWR Nashville International Airport – Newark Liberty International Airport | 1,201 | -5.7 min | 97.3% | 37 |
| SFO TUS San Francisco International Airport – Tucson International Airport | 1,208 | 2.6 min | 93.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 50 | 50 | 94.0% | 0 |
| November 2024 | 31 | 31 | 71.0% | 0 |
| December 2024 | 31 | 31 | 87.1% | 0 |
| January 2025 | 30 | 30 | 93.3% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 33 | 33 | 66.7% | 0 |
| April 2025 | 60 | 60 | 75.0% | 0 |
| May 2025 | 63 | 63 | 76.2% | 0 |
| June 2025 | 90 | 88 | 89.8% | 2 |
| July 2025 | 93 | 91 | 89.0% | 2 |
| August 2025 | 67 | 64 | 84.4% | 3 |
| September 2025 | 36 | 36 | 91.7% | 0 |
| October 2025 | 61 | 61 | 86.9% | 0 |
| November 2025 | 55 | 55 | 83.6% | 0 |
| December 2025 | 48 | 48 | 68.8% | 0 |
| January 2026 | 31 | 30 | 73.3% | 1 |
| February 2026 | 45 | 43 | 76.7% | 2 |
| March 2026 | 62 | 61 | 75.4% | 1 |
| April 2026 | 60 | 58 | 94.8% | 2 |
| May 2026 | 62 | 62 | 88.7% | 0 |
| June 2026 | 60 | 59 | 79.7% | 1 |
| July 2026 | 62 | 61 | 82.0% | 1 |