UA1594
UA1594 (United Airlines) is a multi-stop service on 16 routes, busiest Knoxville to Chicago. Of 538 departures recorded from October 2024 to July 2026, 84.0% left on time, according to the US BTS.
- On-time departures84.0%of 538 flights
- Average delay7.5 min
- July 202630▼ 51.6%vs July 2025
- Cancelled1.3%
- Legs flown under this number16
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 31 | – |
| February | – | 28 | – |
| March | 2 | 34 | ▲ 1,600.0% |
| April | 30 | 55 | ▲ 83.3% |
| May | 28 | 31 | ▲ 10.7% |
| June | 35 | 30 | ▼ 14.3% |
| July | 62 | 30 | ▼ 51.6% |
| August | 46 | – | – |
| September | 29 | – | – |
| October | 21 | – | in progress |
| November | 2 | – | – |
| December | 29 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 67.7% | – |
| February | – | 75.0% | – |
| March | 50.0% | 84.9% | ▲ 69.7% |
| April | 93.1% | 90.9% | ▼ 2.4% |
| May | 92.9% | 74.2% | ▼ 20.1% |
| June | 94.3% | 80.0% | ▼ 15.2% |
| July | 95.0% | 73.3% | ▼ 22.8% |
| August | 84.1% | – | – |
| September | 96.6% | – | – |
| October | 95.2% | – | in progress |
| November | 100.0% | – | – |
| December | 46.4% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | 0 | 1 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 2 | 0 | ▼ 100.0% |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
according to the US BTS · October 2024 → July 2026
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 98.7% 531
- Cancelled 1.3% 7
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| TYS ORD McGhee Tyson Airport – Chicago O'Hare International Airport | 765 | -1.3 min | 94.9% | 121 |
| DEN PSP Denver International Airport – Palm Springs International Airport | 1,247 | 16.7 min | 75.6% | 82 |
| SFO ANC San Francisco International Airport – Ted Stevens Anchorage International Airport | 3,244 | 9.0 min | 76.1% | 71 |
| IAH DFW George Bush Intercontinental Airport – Dallas Fort Worth International Airport | 362 | 4.0 min | 91.1% | 56 |
| ORD ABQ Chicago O'Hare International Airport – Albuquerque International Sunport | 1,796 | 4.2 min | 88.5% | 53 |
| MSY IAH Louis Armstrong New Orleans International Airport – George Bush Intercontinental Airport | 489 | -1.5 min | 93.6% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 86.7% | 0 |
| March 2025 | 2 | 2 | 50.0% | 0 |
| April 2025 | 30 | 29 | 93.1% | 1 |
| May 2025 | 28 | 28 | 92.9% | 0 |
| June 2025 | 35 | 35 | 94.3% | 0 |
| July 2025 | 62 | 60 | 95.0% | 2 |
| August 2025 | 46 | 44 | 84.1% | 2 |
| September 2025 | 29 | 29 | 96.6% | 0 |
| October 2025 | 21 | 21 | 95.2% | 0 |
| November 2025 | 2 | 2 | 100.0% | 0 |
| December 2025 | 29 | 28 | 46.4% | 1 |
| January 2026 | 31 | 31 | 67.7% | 0 |
| February 2026 | 28 | 28 | 75.0% | 0 |
| March 2026 | 34 | 33 | 84.9% | 1 |
| April 2026 | 55 | 55 | 90.9% | 0 |
| May 2026 | 31 | 31 | 74.2% | 0 |
| June 2026 | 30 | 30 | 80.0% | 0 |
| July 2026 | 30 | 30 | 73.3% | 0 |