UA490
UA490 (United Airlines) is a multi-stop service on 11 routes, busiest Chicago to San Antonio. Of 854 departures recorded from October 2024 to July 2026, 88.6% left on time, according to the US BTS.
- On-time departures88.6%of 854 flights
- Average delay4.3 min
- July 202662▲ 100.0%vs July 2025
- Cancelled0.5%
- Legs flown under this number11
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 | – | 58 | – |
| February | – | 71 | – |
| March | 20 | 66 | ▲ 230.0% |
| April | 30 | 60 | ▲ 100.0% |
| May | 28 | 60 | ▲ 114.3% |
| June | 30 | 57 | ▲ 90.0% |
| July | 31 | 62 | ▲ 100.0% |
| August | 44 | – | – |
| September | 60 | – | – |
| October | 56 | – | in progress |
| November | 29 | – | – |
| December | 77 | – | – |
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 | – | 89.7% | – |
| February | – | 88.7% | – |
| March | 95.0% | 87.9% | ▼ 7.5% |
| April | 83.3% | 86.7% | ▲ 4.0% |
| May | 96.4% | 91.7% | ▼ 4.9% |
| June | 83.3% | 92.9% | ▲ 11.4% |
| July | 96.8% | 75.0% | ▼ 22.5% |
| August | 90.7% | – | – |
| September | 88.3% | – | – |
| October | 98.2% | – | in progress |
| November | 79.3% | – | – |
| December | 87.0% | – | – |
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 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 2 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
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 99.5% 850
- Cancelled 0.5% 4
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 |
|---|---|---|---|---|
| ORD SAT Chicago O'Hare International Airport – San Antonio International Airport | 1,677 | 6.0 min | 84.8% | 363 |
| CLE ORD Cleveland Hopkins International Airport – Chicago O'Hare International Airport | 507 | -0.2 min | 96.6% | 236 |
| SAT DEN San Antonio International Airport – Denver International Airport | 1,280 | 8.1 min | 86.7% | 105 |
| ORD SNA Chicago O'Hare International Airport – John Wayne Orange County International Airport | 2,772 | 3.1 min | 82.9% | 35 |
| ORD DEN Chicago O'Hare International Airport – Denver International Airport | 1,426 | 10.5 min | 83.3% | 30 |
| ORD DCA Chicago O'Hare International Airport – Ronald Reagan Washington National Airport | 983 | 13.4 min | 83.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 86.7% | 0 |
| March 2025 | 20 | 20 | 95.0% | 0 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 28 | 28 | 96.4% | 0 |
| June 2025 | 30 | 30 | 83.3% | 0 |
| July 2025 | 31 | 31 | 96.8% | 0 |
| August 2025 | 44 | 43 | 90.7% | 1 |
| September 2025 | 60 | 60 | 88.3% | 0 |
| October 2025 | 56 | 56 | 98.2% | 0 |
| November 2025 | 29 | 29 | 79.3% | 0 |
| December 2025 | 77 | 77 | 87.0% | 0 |
| January 2026 | 58 | 58 | 89.7% | 0 |
| February 2026 | 71 | 71 | 88.7% | 0 |
| March 2026 | 66 | 66 | 87.9% | 0 |
| April 2026 | 60 | 60 | 86.7% | 0 |
| May 2026 | 60 | 60 | 91.7% | 0 |
| June 2026 | 57 | 56 | 92.9% | 1 |
| July 2026 | 62 | 60 | 75.0% | 2 |