UA2378
UA2378 (United Airlines) is a multi-stop service on 18 routes, busiest Chicago to Los Angeles. Of 700 departures recorded from October 2024 to July 2026, 75.5% left on time, according to the US BTS.
- On-time departures75.5%of 700 flights
- Average delay16.2 min
- July 202630▼ 34.8%vs July 2025
- Cancelled0.9%
- Legs flown under this number18
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 | 31 | 25 | ▼ 19.4% |
| February | 28 | 22 | ▼ 21.4% |
| March | 25 | 55 | ▲ 120.0% |
| April | 30 | 46 | ▲ 53.3% |
| May | 35 | 27 | ▼ 22.9% |
| June | 23 | 22 | ▼ 4.3% |
| July | 46 | 30 | ▼ 34.8% |
| August | 37 | – | – |
| September | 26 | – | – |
| October | 42 | – | in progress |
| November | 27 | – | – |
| December | 43 | – | – |
| Year to date (Jan–Jul) | 218 | 227 | ▲ 4.1% |
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 | 90.0% | 76.0% | ▼ 15.6% |
| February | 96.4% | 86.4% | ▼ 10.4% |
| March | 84.0% | 74.1% | ▼ 11.8% |
| April | 70.0% | 86.4% | ▲ 23.4% |
| May | 60.0% | 92.6% | ▲ 54.3% |
| June | 50.0% | 72.7% | ▲ 45.5% |
| July | 60.0% | 63.3% | ▲ 5.5% |
| August | 62.2% | – | – |
| September | 84.6% | – | – |
| October | 66.7% | – | in progress |
| November | 88.9% | – | – |
| December | 62.8% | – | – |
| Year-to-date average (Jan–Jul) | 72.9% | 78.8% | ▲ 8.0% |
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 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 2 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 3 | 0.0% |
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 99.1% 694
- Cancelled 0.9% 6
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 |
|---|---|---|---|---|
| ORD LAX Chicago O'Hare International Airport – Los Angeles International Airport | 2,802 | 21.4 min | 62.4% | 126 |
| FLL CLE Fort Lauderdale Hollywood International Airport – Cleveland Hopkins International Airport | 1,713 | 2.7 min | 85.5% | 118 |
| DEN ICT Denver International Airport – Wichita Dwight D. Eisenhower National Airport | 674 | 4.0 min | 85.9% | 86 |
| PHL ORD Philadelphia International Airport – Chicago O'Hare International Airport | 1,088 | 50.2 min | 56.5% | 70 |
| ORD PSP Chicago O'Hare International Airport – Palm Springs International Airport | 2,653 | 25.2 min | 77.6% | 49 |
| IAH TUL George Bush Intercontinental Airport – Tulsa International Airport | 693 | 11.7 min | 78.7% | 47 |
| IAH MSP George Bush Intercontinental Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 1,667 | 15.6 min | 64.1% | 39 |
| EWR LAS Newark Liberty International Airport – Harry Reid International Airport | 3,576 | -0.3 min | 91.9% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 29 | 29 | 86.2% | 0 |
| December 2024 | 31 | 31 | 80.7% | 0 |
| January 2025 | 31 | 30 | 90.0% | 1 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 25 | 25 | 84.0% | 0 |
| April 2025 | 30 | 30 | 70.0% | 0 |
| May 2025 | 35 | 35 | 60.0% | 0 |
| June 2025 | 23 | 22 | 50.0% | 1 |
| July 2025 | 46 | 45 | 60.0% | 1 |
| August 2025 | 37 | 37 | 62.2% | 0 |
| September 2025 | 26 | 26 | 84.6% | 0 |
| October 2025 | 42 | 42 | 66.7% | 0 |
| November 2025 | 27 | 27 | 88.9% | 0 |
| December 2025 | 43 | 43 | 62.8% | 0 |
| January 2026 | 25 | 25 | 76.0% | 0 |
| February 2026 | 22 | 22 | 86.4% | 0 |
| March 2026 | 55 | 54 | 74.1% | 1 |
| April 2026 | 46 | 44 | 86.4% | 2 |
| May 2026 | 27 | 27 | 92.6% | 0 |
| June 2026 | 22 | 22 | 72.7% | 0 |
| July 2026 | 30 | 30 | 63.3% | 0 |