UA1434
UA1434 (United Airlines) is a multi-stop service on 15 routes, busiest San Francisco to San Diego. Of 1,115 departures recorded from October 2024 to July 2026, 79.5% left on time, according to the US BTS.
- On-time departures79.5%of 1,115 flights
- Average delay12.3 min
- July 202662▲ 100.0%vs July 2025
- Cancelled0.7%
- Legs flown under this number15
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 | 8 | 41 | ▲ 412.5% |
| February | 17 | 62 | ▲ 264.7% |
| March | 33 | 93 | ▲ 181.8% |
| April | 60 | 89 | ▲ 48.3% |
| May | 31 | 67 | ▲ 116.1% |
| June | 30 | 84 | ▲ 180.0% |
| July | 31 | 62 | ▲ 100.0% |
| August | 44 | – | – |
| September | 60 | – | – |
| October | 62 | – | in progress |
| November | 59 | – | – |
| December | 89 | – | – |
| Year to date (Jan–Jul) | 210 | 498 | ▲ 137.1% |
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 | 62.5% | 70.7% | ▲ 13.2% |
| February | 47.1% | 77.4% | ▲ 64.5% |
| March | 84.9% | 87.1% | ▲ 2.7% |
| April | 90.0% | 83.2% | ▼ 7.6% |
| May | 93.6% | 79.1% | ▼ 15.4% |
| June | 80.0% | 67.5% | ▼ 15.7% |
| July | 87.1% | 78.7% | ▼ 9.7% |
| August | 88.6% | – | – |
| September | 85.0% | – | – |
| October | 75.8% | – | in progress |
| November | 77.2% | – | – |
| December | 69.0% | – | – |
| Year-to-date average (Jan–Jul) | 77.9% | 77.7% | ▼ 0.3% |
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 | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 0 | 2 |
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 99.3% 1,107
- Cancelled 0.7% 8
Share of all recorded flights in the period, all legs. · Oct 13, 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 SAN San Francisco International Airport – San Diego International Airport | 719 | 11.1 min | 78.0% | 339 |
| IAD SFO Washington Dulles International Airport – San Francisco International Airport | 3,883 | 15.1 min | 79.3% | 310 |
| JAX IAD Jacksonville International Airport – Washington Dulles International Airport | 1,016 | 3.3 min | 90.2% | 196 |
| BUR SFO Hollywood Burbank/Bob Hope Airport – San Francisco International Airport | 525 | 12.4 min | 82.8% | 60 |
| BOS SFO Boston Logan International Airport – San Francisco International Airport | 4,341 | 5.5 min | 85.7% | 56 |
| SFO RNO San Francisco International Airport – Reno Tahoe International Airport | 308 | 45.1 min | 45.7% | 35 |
| SFO PSP San Francisco International Airport – Palm Springs International Airport | 677 | 22.5 min | 65.6% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 25 | 25 | 84.0% | 0 |
| November 2024 | 25 | 23 | 87.0% | 2 |
| December 2024 | 43 | 43 | 79.1% | 0 |
| January 2025 | 8 | 8 | 62.5% | 0 |
| February 2025 | 17 | 17 | 47.1% | 0 |
| March 2025 | 33 | 33 | 84.9% | 0 |
| April 2025 | 60 | 60 | 90.0% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 30 | 30 | 80.0% | 0 |
| July 2025 | 31 | 31 | 87.1% | 0 |
| August 2025 | 44 | 44 | 88.6% | 0 |
| September 2025 | 60 | 60 | 85.0% | 0 |
| October 2025 | 62 | 62 | 75.8% | 0 |
| November 2025 | 59 | 57 | 77.2% | 2 |
| December 2025 | 89 | 87 | 69.0% | 2 |
| January 2026 | 41 | 41 | 70.7% | 0 |
| February 2026 | 62 | 62 | 77.4% | 0 |
| March 2026 | 93 | 93 | 87.1% | 0 |
| April 2026 | 89 | 89 | 83.2% | 0 |
| May 2026 | 67 | 67 | 79.1% | 0 |
| June 2026 | 84 | 83 | 67.5% | 1 |
| July 2026 | 62 | 61 | 78.7% | 1 |