UA1578
UA1578 (United Airlines) is a multi-stop service on 11 routes, busiest San Francisco to Santa Barbara. Of 887 departures recorded from October 2024 to July 2026, 82.6% left on time, according to the US BTS.
- On-time departures82.6%of 887 flights
- Average delay9.8 min
- July 202660▲ 93.5%vs July 2025
- Cancelled1.1%
- 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 | 30 | 57 | ▲ 90.0% |
| February | 44 | 51 | ▲ 15.9% |
| March | 35 | 53 | ▲ 51.4% |
| April | 21 | 47 | ▲ 123.8% |
| May | 24 | 45 | ▲ 87.5% |
| June | 33 | 36 | ▲ 9.1% |
| July | 31 | 60 | ▲ 93.5% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 37 | – | in progress |
| November | 60 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 218 | 349 | ▲ 60.1% |
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 | 75.9% | 83.3% | ▲ 9.8% |
| February | 95.5% | 88.2% | ▼ 7.6% |
| March | 82.9% | 86.8% | ▲ 4.7% |
| April | 90.5% | 93.6% | ▲ 3.5% |
| May | 87.5% | 84.4% | ▼ 3.5% |
| June | 67.7% | 69.4% | ▲ 2.5% |
| July | 46.4% | 55.0% | ▲ 18.5% |
| August | 80.0% | – | – |
| September | 66.7% | – | – |
| October | 86.5% | – | in progress |
| November | 90.0% | – | – |
| December | 87.5% | – | – |
| Year-to-date average (Jan–Jul) | 78.0% | 80.1% | ▲ 2.7% |
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 | 1 | 3 | ▲ 200.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 2 | 0 | ▼ 100.0% |
| July | 3 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 3 | ▼ 50.0% |
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 98.9% 877
- Cancelled 1.1% 10
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 |
|---|---|---|---|---|
| SFO SBA San Francisco International Airport – Santa Barbara Municipal Airport | 422 | 4.8 min | 85.2% | 278 |
| EWR LAX Newark Liberty International Airport – Los Angeles International Airport | 3,941 | 34.4 min | 71.1% | 155 |
| BNA SFO Nashville International Airport – San Francisco International Airport | 3,161 | 1.7 min | 89.9% | 140 |
| PHX ORD Phoenix Sky Harbor International Airport – Chicago O'Hare International Airport | 2,313 | -1.7 min | 92.7% | 82 |
| LAX PHX Los Angeles International Airport – Phoenix Sky Harbor International Airport | 595 | -1.0 min | 91.9% | 74 |
| IAH SNA George Bush Intercontinental Airport – John Wayne Orange County International Airport | 2,163 | 1.2 min | 86.1% | 37 |
| SFO MSY San Francisco International Airport – Louis Armstrong New Orleans International Airport | 3,069 | 6.3 min | 83.3% | 36 |
| SEA SFO Seattle–Tacoma International Airport – San Francisco International Airport | 1,093 | 46.0 min | 25.7% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 25 | 25 | 100.0% | 0 |
| November 2024 | 58 | 58 | 93.1% | 0 |
| December 2024 | 47 | 47 | 93.6% | 0 |
| January 2025 | 30 | 29 | 75.9% | 1 |
| February 2025 | 44 | 44 | 95.5% | 0 |
| March 2025 | 35 | 35 | 82.9% | 0 |
| April 2025 | 21 | 21 | 90.5% | 0 |
| May 2025 | 24 | 24 | 87.5% | 0 |
| June 2025 | 33 | 31 | 67.7% | 2 |
| July 2025 | 31 | 28 | 46.4% | 3 |
| August 2025 | 31 | 30 | 80.0% | 1 |
| September 2025 | 30 | 30 | 66.7% | 0 |
| October 2025 | 37 | 37 | 86.5% | 0 |
| November 2025 | 60 | 60 | 90.0% | 0 |
| December 2025 | 32 | 32 | 87.5% | 0 |
| January 2026 | 57 | 54 | 83.3% | 3 |
| February 2026 | 51 | 51 | 88.2% | 0 |
| March 2026 | 53 | 53 | 86.8% | 0 |
| April 2026 | 47 | 47 | 93.6% | 0 |
| May 2026 | 45 | 45 | 84.4% | 0 |
| June 2026 | 36 | 36 | 69.4% | 0 |
| July 2026 | 60 | 60 | 55.0% | 0 |