UA1842
UA1842 (United Airlines) is a multi-stop service on 18 routes, busiest Chicago to Sioux Falls. Of 827 departures recorded from October 2024 to July 2026, 69.2% left on time, according to the US BTS.
- On-time departures69.2%of 827 flights
- Average delay25.1 min
- July 202631▼ 49.2%vs July 2025
- Cancelled3.0%
- Legs flown under this number18
according to the US BTS · Oct 13, 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 | 31 | 33 | ▲ 6.5% |
| February | 26 | 38 | ▲ 46.2% |
| March | 30 | 43 | ▲ 43.3% |
| April | 26 | 60 | ▲ 130.8% |
| May | 26 | 62 | ▲ 138.5% |
| June | 32 | 54 | ▲ 68.8% |
| July | 61 | 31 | ▼ 49.2% |
| August | 49 | – | – |
| September | 34 | – | – |
| October | 48 | – | in progress |
| November | 31 | – | – |
| December | 42 | – | – |
| Year to date (Jan–Jul) | 232 | 321 | ▲ 38.4% |
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 | 89.7% | 71.0% | ▼ 20.8% |
| February | 92.3% | 89.2% | ▼ 3.4% |
| March | 60.0% | 74.4% | ▲ 23.9% |
| April | 73.1% | 83.1% | ▲ 13.6% |
| May | 73.1% | 79.0% | ▲ 8.1% |
| June | 53.1% | 58.8% | ▲ 10.7% |
| July | 46.6% | 58.6% | ▲ 25.9% |
| August | 62.5% | – | – |
| September | 44.1% | – | – |
| October | 76.6% | – | in progress |
| November | 60.7% | – | – |
| December | 70.0% | – | – |
| Year-to-date average (Jan–Jul) | 69.7% | 73.4% | ▲ 5.4% |
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 | 2 | 2 | 0.0% |
| February | 0 | 1 | – |
| March | 0 | 4 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 3 | – |
| July | 3 | 2 | ▼ 33.3% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 3 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 5 | 13 | ▲ 160.0% |
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 97.0% 802
- Cancelled 3.0% 25
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD FSD Chicago O'Hare International Airport – Sioux Falls Regional Airport | 743 | 30.1 min | 60.7% | 186 |
| LGA ORD LaGuardia Airport – Chicago O'Hare International Airport | 1,177 | 33.4 min | 70.4% | 172 |
| ORD SNA Chicago O'Hare International Airport – John Wayne Orange County International Airport | 2,772 | 19.7 min | 65.8% | 76 |
| DEN SAN Denver International Airport – San Diego International Airport | 1,371 | 8.6 min | 79.0% | 57 |
| PHX ORD Phoenix Sky Harbor International Airport – Chicago O'Hare International Airport | 2,313 | 6.1 min | 86.8% | 53 |
| ORD SAN Chicago O'Hare International Airport – San Diego International Airport | 2,768 | 48.3 min | 41.5% | 53 |
| SFO LAX San Francisco International Airport – Los Angeles International Airport | 543 | -3.2 min | 97.3% | 37 |
| SAV ORD Savannah Hilton Head International Airport – Chicago O'Hare International Airport | 1,246 | 19.8 min | 76.5% | 35 |
| ORD SAT Chicago O'Hare International Airport – San Antonio International Airport | 1,677 | 23.3 min | 74.2% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 76.5% | 0 |
| November 2024 | 24 | 24 | 83.3% | 0 |
| December 2024 | 29 | 29 | 58.6% | 0 |
| January 2025 | 31 | 29 | 89.7% | 2 |
| February 2025 | 26 | 26 | 92.3% | 0 |
| March 2025 | 30 | 30 | 60.0% | 0 |
| April 2025 | 26 | 26 | 73.1% | 0 |
| May 2025 | 26 | 26 | 73.1% | 0 |
| June 2025 | 32 | 32 | 53.1% | 0 |
| July 2025 | 61 | 58 | 46.6% | 3 |
| August 2025 | 49 | 48 | 62.5% | 1 |
| September 2025 | 34 | 34 | 44.1% | 0 |
| October 2025 | 48 | 47 | 76.6% | 1 |
| November 2025 | 31 | 28 | 60.7% | 3 |
| December 2025 | 42 | 40 | 70.0% | 2 |
| January 2026 | 33 | 31 | 71.0% | 2 |
| February 2026 | 38 | 37 | 89.2% | 1 |
| March 2026 | 43 | 39 | 74.4% | 4 |
| April 2026 | 60 | 59 | 83.1% | 1 |
| May 2026 | 62 | 62 | 79.0% | 0 |
| June 2026 | 54 | 51 | 58.8% | 3 |
| July 2026 | 31 | 29 | 58.6% | 2 |