UA1659
UA1659 (United Airlines) is a multi-stop service on 4 routes, busiest Philadelphia to Chicago. Of 140 departures recorded from October 2024 to December 2025, 89.3% left on time, according to the US BTS.
- On-time departures89.3%of 140 flights
- Average delay2.6 min
- December 202518▲ 12.5%vs December 2024
- Cancelled0.0%
- Legs flown under this number4
Recorded departures by month
Short series — UA1659 has only 6 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods6 periods
| Period | Departures 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 5 | 12 | ▲ 140.0% |
| November | 29 | 60 | ▲ 106.9% |
| December | 16 | 18 | ▲ 12.5% |
according to the US BTS · October 2024 → December 2025
On-time departures by month
Short series — UA1659 has only 6 months so far. Enough to show the level now, not enough to read a trend.
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 periods6 periods
| Period | On time 2024 | On time 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 60.0% | 91.7% | ▲ 52.8% |
| November | 100.0% | 86.7% | ▼ 13.3% |
| December | 81.3% | 94.4% | ▲ 16.2% |
according to the US BTS · October 2024 → December 2025
Average departure delay by month
Short series — UA1659 has only 6 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · October 2024 → December 2025
Cancelled departures by month
Short series — UA1659 has only 6 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods6 periods
| Period | Cancelled 2024 | Cancelled 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | 0 | – |
| November | 0 | 0 | – |
| December | 0 | 0 | – |
according to the US BTS · October 2024 → December 2025
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 100.0% 140
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Oct 27, 2024 → Dec 17, 2025
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHL ORD Philadelphia International Airport – Chicago O'Hare International Airport | 1,088 | -3.3 min | 96.2% | 53 |
| ORD PIT Chicago O'Hare International Airport – Pittsburgh International Airport | 662 | 0.1 min | 89.6% | 48 |
| ORD SRQ Chicago O'Hare International Airport – Sarasota Bradenton International Airport | 1,693 | 14.6 min | 78.4% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 5 | 5 | 60.0% | 0 |
| November 2024 | 29 | 29 | 100.0% | 0 |
| December 2024 | 16 | 16 | 81.3% | 0 |
| October 2025 | 12 | 12 | 91.7% | 0 |
| November 2025 | 60 | 60 | 86.7% | 0 |
| December 2025 | 18 | 18 | 94.4% | 0 |