UA516
UA516 (United Airlines) is a multi-stop service on 10 routes, busiest Atlanta to Chicago. Of 1,100 departures recorded from October 2024 to July 2026, 74.4% left on time, according to the US BTS.
- On-time departures74.4%of 1,100 flights
- Average delay24.1 min
- July 202661▲ 0.0%vs July 2025
- Cancelled1.4%
- Legs flown under this number10
Recorded departures by month
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 | 44 | 28 | ▼ 36.4% |
| March | 62 | 58 | ▼ 6.5% |
| April | 30 | 60 | ▲ 100.0% |
| May | 62 | 60 | ▼ 3.2% |
| June | 60 | 57 | ▼ 5.0% |
| July | 61 | 61 | 0.0% |
| August | 42 | – | – |
| September | 56 | – | – |
| October | 58 | – | in progress |
| November | 59 | – | – |
| December | 62 | – | – |
| Year to date (Jan–Jul) | 356 | 360 | ▲ 1.1% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 | 85.7% | 80.6% | ▼ 6.0% |
| February | 81.8% | 78.6% | ▼ 4.0% |
| March | 72.1% | 65.5% | ▼ 9.3% |
| April | 80.0% | 78.3% | ▼ 2.1% |
| May | 72.6% | 76.7% | ▲ 5.6% |
| June | 60.0% | 67.9% | ▲ 13.1% |
| July | 43.9% | 75.0% | ▲ 71.0% |
| August | 95.1% | – | – |
| September | 83.9% | – | – |
| October | 86.2% | – | in progress |
| November | 71.9% | – | – |
| December | 66.1% | – | – |
| Year-to-date average (Jan–Jul) | 70.9% | 74.6% | ▲ 5.3% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 1 | 3 | ▲ 200.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 4 | 1 | ▼ 75.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 7 | 5 | ▼ 28.6% |
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 98.6% 1,085
- Cancelled 1.4% 15
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ATL ORD Hartsfield Jackson Atlanta International Airport – Chicago O'Hare International Airport | 976 | 21.3 min | 80.4% | 631 |
| ORD DFW Chicago O'Hare International Airport – Dallas Fort Worth International Airport | 1,291 | 34.3 min | 54.5% | 169 |
| ORD BDL Chicago O'Hare International Airport – Bradley International Airport | 1,257 | 27.0 min | 72.1% | 143 |
| ORD SNA Chicago O'Hare International Airport – John Wayne Orange County International Airport | 2,772 | 10.9 min | 79.3% | 58 |
| ORD TVC Chicago O'Hare International Airport – Cherry Capital Airport | 360 | 24.8 min | 68.6% | 52 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 86.7% | 0 |
| December 2024 | 57 | 57 | 70.2% | 0 |
| January 2025 | 37 | 35 | 85.7% | 2 |
| February 2025 | 44 | 44 | 81.8% | 0 |
| March 2025 | 62 | 61 | 72.1% | 1 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 62 | 62 | 72.6% | 0 |
| June 2025 | 60 | 60 | 60.0% | 0 |
| July 2025 | 61 | 57 | 43.9% | 4 |
| August 2025 | 42 | 41 | 95.1% | 1 |
| September 2025 | 56 | 56 | 83.9% | 0 |
| October 2025 | 58 | 58 | 86.2% | 0 |
| November 2025 | 59 | 57 | 71.9% | 2 |
| December 2025 | 62 | 62 | 66.1% | 0 |
| January 2026 | 36 | 36 | 80.6% | 0 |
| February 2026 | 28 | 28 | 78.6% | 0 |
| March 2026 | 58 | 55 | 65.5% | 3 |
| April 2026 | 60 | 60 | 78.3% | 0 |
| May 2026 | 60 | 60 | 76.7% | 0 |
| June 2026 | 57 | 56 | 67.9% | 1 |
| July 2026 | 61 | 60 | 75.0% | 1 |