UA1684
UA1684 (United Airlines) is a multi-stop service on 13 routes, busiest San Francisco to Lihue. Of 590 departures recorded from October 2024 to July 2026, 86.4% left on time, according to the US BTS.
- On-time departures86.4%of 590 flights
- Average delay7.2 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.5%
- 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 | 23 | ▼ 17.9% |
| March | 21 | 28 | ▲ 33.3% |
| April | 16 | 21 | ▲ 31.3% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 27 | – | – |
| September | 21 | – | – |
| October | 24 | – | in progress |
| November | 23 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 188 | 195 | ▲ 3.7% |
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 | 87.1% | 93.1% | ▲ 6.9% |
| February | 92.6% | 95.7% | ▲ 3.3% |
| March | 95.2% | 92.9% | ▼ 2.5% |
| April | 75.0% | 66.7% | ▼ 11.1% |
| May | 74.2% | 64.5% | ▼ 13.0% |
| June | 93.3% | 96.7% | ▲ 3.6% |
| July | 80.7% | 71.0% | ▼ 12.0% |
| August | 92.6% | – | – |
| September | 90.5% | – | – |
| October | 100.0% | – | in progress |
| November | 87.0% | – | – |
| December | 83.9% | – | – |
| Year-to-date average (Jan–Jul) | 85.4% | 82.9% | ▼ 3.0% |
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 | 2 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 100.0% |
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 99.5% 587
- Cancelled 0.5% 3
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SFO LIH San Francisco International Airport – Lihue Airport | 3,934 | 7.2 min | 86.0% | 358 |
| LAS DEN Harry Reid International Airport – Denver International Airport | 1,009 | 8.8 min | 89.2% | 37 |
| BOS ORD Boston Logan International Airport – Chicago O'Hare International Airport | 1,391 | -4.6 min | 100.0% | 32 |
| DCA ORD Ronald Reagan Washington National Airport – Chicago O'Hare International Airport | 983 | 0.7 min | 93.1% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 30 | 30 | 100.0% | 0 |
| December 2024 | 31 | 31 | 87.1% | 0 |
| January 2025 | 31 | 31 | 87.1% | 0 |
| February 2025 | 28 | 27 | 92.6% | 1 |
| March 2025 | 21 | 21 | 95.2% | 0 |
| April 2025 | 16 | 16 | 75.0% | 0 |
| May 2025 | 31 | 31 | 74.2% | 0 |
| June 2025 | 30 | 30 | 93.3% | 0 |
| July 2025 | 31 | 31 | 80.7% | 0 |
| August 2025 | 27 | 27 | 92.6% | 0 |
| September 2025 | 21 | 21 | 90.5% | 0 |
| October 2025 | 24 | 24 | 100.0% | 0 |
| November 2025 | 23 | 23 | 87.0% | 0 |
| December 2025 | 31 | 31 | 83.9% | 0 |
| January 2026 | 31 | 29 | 93.1% | 2 |
| February 2026 | 23 | 23 | 95.7% | 0 |
| March 2026 | 28 | 28 | 92.9% | 0 |
| April 2026 | 21 | 21 | 66.7% | 0 |
| May 2026 | 31 | 31 | 64.5% | 0 |
| June 2026 | 30 | 30 | 96.7% | 0 |
| July 2026 | 31 | 31 | 71.0% | 0 |