UA2171
UA2171 (United Airlines) is a multi-stop service on 21 routes, busiest Charlotte to Denver. Of 800 departures recorded from October 2024 to July 2026, 78.5% left on time, according to the US BTS.
- On-time departures78.5%of 800 flights
- Average delay17.4 min
- July 202662▲ 100.0%vs July 2025
- Cancelled1.6%
- Legs flown under this number21
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 | 37 | 36 | ▼ 2.7% |
| February | 60 | 45 | ▼ 25.0% |
| March | 41 | 27 | ▼ 34.1% |
| April | 30 | 13 | ▼ 56.7% |
| May | 31 | 25 | ▼ 19.4% |
| June | 30 | 19 | ▼ 36.7% |
| July | 31 | 62 | ▲ 100.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 36 | – | in progress |
| November | 55 | – | – |
| December | 44 | – | – |
| Year to date (Jan–Jul) | 260 | 227 | ▼ 12.7% |
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 | 91.7% | 88.9% | ▼ 3.0% |
| February | 80.0% | 82.2% | ▲ 2.8% |
| March | 80.5% | 73.1% | ▼ 9.2% |
| April | 83.3% | 46.2% | ▼ 44.6% |
| May | 74.2% | 87.5% | ▲ 17.9% |
| June | 46.7% | 66.7% | ▲ 42.9% |
| July | 64.5% | 65.5% | ▲ 1.4% |
| August | 74.2% | – | – |
| September | 86.7% | – | – |
| October | 72.2% | – | in progress |
| November | 87.3% | – | – |
| December | 86.4% | – | – |
| Year-to-date average (Jan–Jul) | 74.4% | 72.9% | ▼ 2.1% |
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 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 1 | – |
| June | 0 | 1 | – |
| July | 0 | 7 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 10 | ▲ 900.0% |
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 98.4% 787
- Cancelled 1.6% 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 DEN Charlotte Douglas International Airport – Denver International Airport | 2,148 | 23.4 min | 73.3% | 228 |
| DEN SNA Denver International Airport – John Wayne Orange County International Airport | 1,360 | 6.0 min | 86.2% | 109 |
| ONT ORD Ontario International Airport – Chicago O'Hare International Airport | 2,730 | 1.9 min | 91.4% | 37 |
| MSP ORD Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Chicago O'Hare International Airport | 537 | -0.5 min | 94.6% | 37 |
| PIT DEN Pittsburgh International Airport – Denver International Airport | 2,071 | 2.2 min | 88.9% | 36 |
| IAH SLC George Bush Intercontinental Airport – Salt Lake City International Airport | 1,923 | 6.1 min | 84.4% | 32 |
| ORD PNS Chicago O'Hare International Airport – Pensacola International Airport | 1,281 | 39.9 min | 63.3% | 31 |
| ORD EWR Chicago O'Hare International Airport – Newark Liberty International Airport | 1,154 | 86.9 min | 38.5% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 18 | 100.0% | 2 |
| November 2024 | 52 | 52 | 92.3% | 0 |
| December 2024 | 45 | 45 | 71.1% | 0 |
| January 2025 | 37 | 36 | 91.7% | 1 |
| February 2025 | 60 | 60 | 80.0% | 0 |
| March 2025 | 41 | 41 | 80.5% | 0 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 31 | 31 | 74.2% | 0 |
| June 2025 | 30 | 30 | 46.7% | 0 |
| July 2025 | 31 | 31 | 64.5% | 0 |
| August 2025 | 31 | 31 | 74.2% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 36 | 36 | 72.2% | 0 |
| November 2025 | 55 | 55 | 87.3% | 0 |
| December 2025 | 44 | 44 | 86.4% | 0 |
| January 2026 | 36 | 36 | 88.9% | 0 |
| February 2026 | 45 | 45 | 82.2% | 0 |
| March 2026 | 27 | 26 | 73.1% | 1 |
| April 2026 | 13 | 13 | 46.2% | 0 |
| May 2026 | 25 | 24 | 87.5% | 1 |
| June 2026 | 19 | 18 | 66.7% | 1 |
| July 2026 | 62 | 55 | 65.5% | 7 |