UA435
UA435 (United Airlines) is a multi-stop service on 13 routes, busiest San Francisco to Newark. Of 837 departures recorded from October 2024 to July 2026, 79.8% left on time, according to the US BTS.
- On-time departures79.8%of 837 flights
- Average delay15.3 min
- July 202631▼ 50.0%vs July 2025
- Cancelled1.7%
- Legs flown under this number13
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 | 28 | 28 | 0.0% |
| March | 51 | 55 | ▲ 7.8% |
| April | 30 | 32 | ▲ 6.7% |
| May | 41 | 76 | ▲ 85.4% |
| June | 40 | 54 | ▲ 35.0% |
| July | 62 | 31 | ▼ 50.0% |
| August | 31 | – | – |
| September | 7 | – | – |
| October | 37 | – | in progress |
| November | 59 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 283 | 307 | ▲ 8.5% |
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 | 96.8% | 96.7% | ▼ 0.1% |
| February | 70.4% | 81.5% | ▲ 15.8% |
| March | 80.0% | 80.0% | 0.0% |
| April | 58.6% | 100.0% | ▲ 70.6% |
| May | 62.5% | 89.5% | ▲ 43.2% |
| June | 77.5% | 83.3% | ▲ 7.5% |
| July | 78.7% | 86.2% | ▲ 9.6% |
| August | 63.3% | – | – |
| September | 85.7% | – | – |
| October | 67.6% | – | in progress |
| November | 75.0% | – | – |
| December | 67.7% | – | – |
| Year-to-date average (Jan–Jul) | 74.9% | 88.2% | ▲ 17.7% |
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 | 0 | 1 | – |
| February | 1 | 1 | 0.0% |
| March | 1 | 0 | ▼ 100.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 1 | 2 | ▲ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 5 | 4 | ▼ 20.0% |
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 98.3% 823
- Cancelled 1.7% 14
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 |
|---|---|---|---|---|
| SFO EWR San Francisco International Airport – Newark Liberty International Airport | 4,118 | 20.3 min | 79.2% | 394 |
| EWR LAX Newark Liberty International Airport – Los Angeles International Airport | 3,941 | 14.4 min | 77.7% | 160 |
| EWR RSW Newark Liberty International Airport – Southwest Florida International Airport | 1,722 | 14.4 min | 76.3% | 80 |
| EWR SLC Newark Liberty International Airport – Salt Lake City International Airport | 3,160 | -1.7 min | 89.2% | 37 |
| SBA SFO Santa Barbara Municipal Airport – San Francisco International Airport | 422 | 4.6 min | 85.7% | 36 |
| EWR PDX Newark Liberty International Airport – Portland International Airport | 3,907 | 22.1 min | 71.4% | 36 |
| PHX SFO Phoenix Sky Harbor International Airport – San Francisco International Airport | 1,047 | -3.7 min | 97.1% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 31 | 31 | 80.7% | 0 |
| January 2025 | 31 | 31 | 96.8% | 0 |
| February 2025 | 28 | 27 | 70.4% | 1 |
| March 2025 | 51 | 50 | 80.0% | 1 |
| April 2025 | 30 | 29 | 58.6% | 1 |
| May 2025 | 41 | 40 | 62.5% | 1 |
| June 2025 | 40 | 40 | 77.5% | 0 |
| July 2025 | 62 | 61 | 78.7% | 1 |
| August 2025 | 31 | 30 | 63.3% | 1 |
| September 2025 | 7 | 7 | 85.7% | 0 |
| October 2025 | 37 | 37 | 67.6% | 0 |
| November 2025 | 59 | 56 | 75.0% | 3 |
| December 2025 | 32 | 31 | 67.7% | 1 |
| January 2026 | 31 | 30 | 96.7% | 1 |
| February 2026 | 28 | 27 | 81.5% | 1 |
| March 2026 | 55 | 55 | 80.0% | 0 |
| April 2026 | 32 | 32 | 100.0% | 0 |
| May 2026 | 76 | 76 | 89.5% | 0 |
| June 2026 | 54 | 54 | 83.3% | 0 |
| July 2026 | 31 | 29 | 86.2% | 2 |