UA506
UA506 (United Airlines) is a multi-stop service on 11 routes, busiest Chicago to Honolulu. Of 299 departures recorded from October 2024 to March 2026, 85.1% left on time, according to the US BTS.
- On-time departures85.1%of 299 flights
- Average delay9.4 min
- March 202628▲ 7.7%vs March 2025
- Cancelled1.3%
- Legs flown under this number11
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods9 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 31 | 0.0% |
| February | 22 | 28 | ▲ 27.3% |
| March | 26 | 28 | ▲ 7.7% |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 6 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Mar) | 79 | 87 | ▲ 10.1% |
according to the US BTS · October 2024 → March 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 periods9 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 77.4% | 100.0% | ▲ 29.2% |
| February | 81.8% | 96.2% | ▲ 17.5% |
| March | 88.5% | 78.6% | ▼ 11.2% |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 66.7% | – | in progress |
| November | 83.3% | – | – |
| December | 67.7% | – | – |
| Year-to-date average (Jan–Mar) | 82.6% | 91.6% | ▲ 10.9% |
according to the US BTS · October 2024 → March 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → March 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods9 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 0 | 2 | – |
| March | 0 | 0 | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Mar) | 0 | 4 |
according to the US BTS · October 2024 → March 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 98.7% 295
- Cancelled 1.3% 4
Share of all recorded flights in the period, all legs. · Oct 27, 2024 → Mar 28, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD HNL Chicago O'Hare International Airport – Daniel K. Inouye International Airport | 6,819 | 18.3 min | 82.9% | 41 |
| IAH MIA George Bush Intercontinental Airport – Miami International Airport | 1,549 | 10.2 min | 78.4% | 37 |
| DEN RIC Denver International Airport – Richmond International Airport | 2,379 | -1.8 min | 100.0% | 37 |
| DEN PIT Denver International Airport – Pittsburgh International Airport | 2,071 | 3.1 min | 89.2% | 37 |
| DEN MKE Denver International Airport – General Mitchell International Airport | 1,438 | 12.3 min | 78.1% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 5 | 5 | 80.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 31 | 31 | 93.6% | 0 |
| January 2025 | 31 | 31 | 77.4% | 0 |
| February 2025 | 22 | 22 | 81.8% | 0 |
| March 2025 | 26 | 26 | 88.5% | 0 |
| October 2025 | 6 | 6 | 66.7% | 0 |
| November 2025 | 30 | 30 | 83.3% | 0 |
| December 2025 | 31 | 31 | 67.7% | 0 |
| January 2026 | 31 | 29 | 100.0% | 2 |
| February 2026 | 28 | 26 | 96.2% | 2 |
| March 2026 | 28 | 28 | 78.6% | 0 |