UA1403
UA1403 (United Airlines) is a multi-stop service on 22 routes, busiest Seattle to San Francisco. Of 804 departures recorded from October 2024 to July 2026, 80.5% left on time, according to the US BTS.
- On-time departures80.5%of 804 flights
- Average delay14.1 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.4%
- Legs flown under this number22
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 62 | 31 | ▼ 50.0% |
| February | 56 | 45 | ▼ 19.6% |
| March | 61 | 35 | ▼ 42.6% |
| April | 56 | 30 | ▼ 46.4% |
| May | 52 | 28 | ▼ 46.2% |
| June | 34 | 30 | ▼ 11.8% |
| July | 31 | 31 | 0.0% |
| August | 46 | – | – |
| September | 27 | – | – |
| October | 25 | – | in progress |
| November | – | – | – |
| December | 30 | – | – |
| Year to date (Jan–Jul) | 352 | 230 | ▼ 34.7% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 88.3% | 87.1% | ▼ 1.4% |
| February | 80.0% | 71.1% | ▼ 11.1% |
| March | 76.7% | 82.9% | ▲ 8.1% |
| April | 83.6% | 86.7% | ▲ 3.6% |
| May | 65.4% | 75.0% | ▲ 14.7% |
| June | 85.3% | 93.3% | ▲ 9.4% |
| July | 74.2% | 89.3% | ▲ 20.4% |
| August | 76.7% | – | – |
| September | 92.6% | – | – |
| October | 100.0% | – | in progress |
| November | – | – | – |
| December | 70.0% | – | – |
| Year-to-date average (Jan–Jul) | 79.1% | 83.6% | ▲ 5.8% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 0 | ▼ 100.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 1 | 0 | ▼ 100.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 3 | – |
| August | 3 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 5 | 3 | ▼ 40.0% |
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 98.6% 793
- Cancelled 1.4% 11
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
9| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA SFO Seattle–Tacoma International Airport – San Francisco International Airport | 1,093 | 8.6 min | 77.9% | 133 |
| MCO ORD Orlando International Airport – Chicago O'Hare International Airport | 1,620 | 10.6 min | 85.7% | 106 |
| LAX EWR Los Angeles International Airport – Newark Liberty International Airport | 3,941 | 3.0 min | 91.3% | 72 |
| SFO BNA San Francisco International Airport – Nashville International Airport | 3,161 | 13.6 min | 82.4% | 68 |
| SFO SAT San Francisco International Airport – San Antonio International Airport | 2,382 | 6.8 min | 83.8% | 37 |
| DEN MKE Denver International Airport – General Mitchell International Airport | 1,438 | 4.5 min | 89.2% | 37 |
| DEN MTJ Denver International Airport – Montrose Regional Airport | 316 | 21.8 min | 88.6% | 35 |
| IAH RSW George Bush Intercontinental Airport – Southwest Florida International Airport | 1,384 | 9.0 min | 81.3% | 32 |
| DEN JAX Denver International Airport – Jacksonville International Airport | 2,325 | 0.2 min | 96.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 76.7% | 0 |
| December 2024 | 44 | 44 | 68.2% | 0 |
| January 2025 | 62 | 60 | 88.3% | 2 |
| February 2025 | 56 | 55 | 80.0% | 1 |
| March 2025 | 61 | 60 | 76.7% | 1 |
| April 2025 | 56 | 55 | 83.6% | 1 |
| May 2025 | 52 | 52 | 65.4% | 0 |
| June 2025 | 34 | 34 | 85.3% | 0 |
| July 2025 | 31 | 31 | 74.2% | 0 |
| August 2025 | 46 | 43 | 76.7% | 3 |
| September 2025 | 27 | 27 | 92.6% | 0 |
| October 2025 | 25 | 25 | 100.0% | 0 |
| December 2025 | 30 | 30 | 70.0% | 0 |
| January 2026 | 31 | 31 | 87.1% | 0 |
| February 2026 | 45 | 45 | 71.1% | 0 |
| March 2026 | 35 | 35 | 82.9% | 0 |
| April 2026 | 30 | 30 | 86.7% | 0 |
| May 2026 | 28 | 28 | 75.0% | 0 |
| June 2026 | 30 | 30 | 93.3% | 0 |
| July 2026 | 31 | 28 | 89.3% | 3 |