UA2155
UA2155 (United Airlines) is a multi-stop service on 12 routes, busiest Charlotte to Chicago. Of 875 departures recorded from October 2024 to July 2026, 71.0% left on time, according to the US BTS.
- On-time departures71.0%of 875 flights
- Average delay27.9 min
- July 202661▲ 0.0%vs July 2025
- Cancelled1.5%
- Legs flown under this number12
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 | 56 | 31 | ▼ 44.6% |
| February | 56 | 25 | ▼ 55.4% |
| March | 36 | 23 | ▼ 36.1% |
| April | 30 | 22 | ▼ 26.7% |
| May | 52 | 62 | ▲ 19.2% |
| June | 35 | 60 | ▲ 71.4% |
| July | 61 | 61 | 0.0% |
| August | 67 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jul) | 326 | 284 | ▼ 12.9% |
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 | 80.0% | 79.3% | ▼ 0.9% |
| February | 76.8% | 80.0% | ▲ 4.2% |
| March | 75.0% | 82.6% | ▲ 10.1% |
| April | 83.3% | 77.3% | ▼ 7.3% |
| May | 51.0% | 72.6% | ▲ 42.4% |
| June | 65.7% | 68.3% | ▲ 4.0% |
| July | 47.4% | 62.3% | ▲ 31.5% |
| August | 61.5% | – | – |
| September | 86.7% | – | – |
| October | 80.0% | – | in progress |
| November | 67.9% | – | – |
| December | 71.4% | – | – |
| Year-to-date average (Jan–Jul) | 68.5% | 74.6% | ▲ 9.0% |
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 | 1 | 2 | ▲ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 4 | 0 | ▼ 100.0% |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 2 | ▼ 66.7% |
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 98.5% 862
- Cancelled 1.5% 13
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 |
|---|---|---|---|---|
| CLT ORD Charlotte Douglas International Airport – Chicago O'Hare International Airport | 965 | 30.7 min | 74.7% | 264 |
| IDA DEN Idaho Falls Regional Airport – Denver International Airport | 736 | 37.1 min | 68.7% | 115 |
| ORD IAH Chicago O'Hare International Airport – George Bush Intercontinental Airport | 1,491 | 24.7 min | 67.6% | 109 |
| DEN PIT Denver International Airport – Pittsburgh International Airport | 2,071 | 21.1 min | 69.6% | 92 |
| ORD LAX Chicago O'Hare International Airport – Los Angeles International Airport | 2,802 | 49.2 min | 43.7% | 89 |
| BTV ORD Patrick Leahy Burlington International Airport – Chicago O'Hare International Airport | 1,225 | 5.9 min | 94.0% | 51 |
| EWR CLT Newark Liberty International Airport – Charlotte Douglas International Airport | 850 | 15.8 min | 75.6% | 45 |
| RDU ORD Raleigh-Durham International Airport – Chicago O'Hare International Airport | 1,039 | 15.1 min | 81.1% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 29 | 28 | 96.4% | 1 |
| December 2024 | 31 | 31 | 64.5% | 0 |
| January 2025 | 56 | 55 | 80.0% | 1 |
| February 2025 | 56 | 56 | 76.8% | 0 |
| March 2025 | 36 | 36 | 75.0% | 0 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 52 | 51 | 51.0% | 1 |
| June 2025 | 35 | 35 | 65.7% | 0 |
| July 2025 | 61 | 57 | 47.4% | 4 |
| August 2025 | 67 | 65 | 61.5% | 2 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 31 | 30 | 80.0% | 1 |
| November 2025 | 29 | 28 | 67.9% | 1 |
| December 2025 | 28 | 28 | 71.4% | 0 |
| January 2026 | 31 | 29 | 79.3% | 2 |
| February 2026 | 25 | 25 | 80.0% | 0 |
| March 2026 | 23 | 23 | 82.6% | 0 |
| April 2026 | 22 | 22 | 77.3% | 0 |
| May 2026 | 62 | 62 | 72.6% | 0 |
| June 2026 | 60 | 60 | 68.3% | 0 |
| July 2026 | 61 | 61 | 62.3% | 0 |