UA684
UA684 (United Airlines) is a multi-stop service on 13 routes, busiest Los Angeles to Seattle. Of 939 departures recorded from October 2024 to July 2026, 84.1% left on time, according to the US BTS.
- On-time departures84.1%of 939 flights
- Average delay7.9 min
- July 202647▲ 56.7%vs July 2025
- Cancelled0.6%
- Legs flown under this number13
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 | 31 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 57 | 31 | ▼ 45.6% |
| April | 30 | 30 | 0.0% |
| May | 60 | 40 | ▼ 33.3% |
| June | 52 | 51 | ▼ 1.9% |
| July | 30 | 47 | ▲ 56.7% |
| August | 44 | – | – |
| September | 54 | – | – |
| October | 37 | – | in progress |
| November | 58 | – | – |
| December | 47 | – | – |
| Year to date (Jan–Jul) | 288 | 258 | ▼ 10.4% |
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 | 77.4% | 78.6% | ▲ 1.5% |
| February | 82.1% | 85.7% | ▲ 4.3% |
| March | 86.0% | 66.7% | ▼ 22.4% |
| April | 93.3% | 96.7% | ▲ 3.6% |
| May | 83.1% | 90.0% | ▲ 8.4% |
| June | 78.9% | 78.4% | ▼ 0.5% |
| July | 73.3% | 76.6% | ▲ 4.5% |
| August | 79.6% | – | – |
| September | 98.2% | – | – |
| October | 97.3% | – | in progress |
| November | 79.3% | – | – |
| December | 67.4% | – | – |
| Year-to-date average (Jan–Jul) | 82.0% | 81.8% | ▼ 0.2% |
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 | 3 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 4 | ▲ 300.0% |
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 99.4% 933
- Cancelled 0.6% 6
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 |
|---|---|---|---|---|
| LAX SEA Los Angeles International Airport – Seattle–Tacoma International Airport | 1,537 | 6.3 min | 84.5% | 285 |
| LAS LAX Harry Reid International Airport – Los Angeles International Airport | 380 | 5.5 min | 86.5% | 252 |
| IAD LAX Washington Dulles International Airport – Los Angeles International Airport | 3,674 | 6.4 min | 85.5% | 124 |
| IAD CHS Washington Dulles International Airport – Charleston International Airport | 712 | 16.7 min | 85.5% | 58 |
| SEA IAD Seattle–Tacoma International Airport – Washington Dulles International Airport | 3,702 | -1.1 min | 97.3% | 37 |
| CMH SFO John Glenn Columbus International Airport – San Francisco International Airport | 3,403 | 15.7 min | 75.7% | 37 |
| SEA ORD Seattle–Tacoma International Airport – Chicago O'Hare International Airport | 2,762 | 1.5 min | 88.9% | 36 |
| SFO SEA San Francisco International Airport – Seattle–Tacoma International Airport | 1,093 | 7.7 min | 85.3% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 30 | 30 | 93.3% | 0 |
| November 2024 | 88 | 88 | 88.6% | 0 |
| December 2024 | 35 | 35 | 100.0% | 0 |
| January 2025 | 31 | 31 | 77.4% | 0 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 57 | 57 | 86.0% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 60 | 59 | 83.1% | 1 |
| June 2025 | 52 | 52 | 78.9% | 0 |
| July 2025 | 30 | 30 | 73.3% | 0 |
| August 2025 | 44 | 44 | 79.6% | 0 |
| September 2025 | 54 | 54 | 98.2% | 0 |
| October 2025 | 37 | 37 | 97.3% | 0 |
| November 2025 | 58 | 58 | 79.3% | 0 |
| December 2025 | 47 | 46 | 67.4% | 1 |
| January 2026 | 31 | 28 | 78.6% | 3 |
| February 2026 | 28 | 28 | 85.7% | 0 |
| March 2026 | 31 | 30 | 66.7% | 1 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 40 | 40 | 90.0% | 0 |
| June 2026 | 51 | 51 | 78.4% | 0 |
| July 2026 | 47 | 47 | 76.6% | 0 |