UA1077
UA1077 (United Airlines) is a multi-stop service on 10 routes, busiest Chicago to Washington. Of 706 departures recorded from October 2024 to July 2026, 93.1% left on time, according to the US BTS.
- On-time departures93.1%of 706 flights
- Average delay-0.1 min
- July 202630▼ 3.2%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 | 27 | 55 | ▲ 103.7% |
| February | 26 | 34 | ▲ 30.8% |
| March | 31 | 31 | 0.0% |
| April | 26 | 30 | ▲ 15.4% |
| May | 27 | 31 | ▲ 14.8% |
| June | 30 | 33 | ▲ 10.0% |
| July | 31 | 30 | ▼ 3.2% |
| August | 29 | – | – |
| September | 26 | – | – |
| October | 33 | – | in progress |
| November | 56 | – | – |
| December | 51 | – | – |
| Year to date (Jan–Jul) | 198 | 244 | ▲ 23.2% |
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 | 96.0% | 92.5% | ▼ 3.7% |
| February | 88.5% | 93.9% | ▲ 6.2% |
| March | 90.3% | 93.6% | ▲ 3.6% |
| April | 96.2% | 86.7% | ▼ 9.9% |
| May | 96.3% | 90.3% | ▼ 6.2% |
| June | 96.7% | 90.6% | ▼ 6.2% |
| July | 90.0% | 96.7% | ▲ 7.4% |
| August | 100.0% | – | – |
| September | 100.0% | – | – |
| October | 100.0% | – | in progress |
| November | 88.9% | – | – |
| December | 90.0% | – | – |
| Year-to-date average (Jan–Jul) | 93.4% | 92.0% | ▼ 1.5% |
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 | 2 | 0.0% |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 3 | 4 | ▲ 33.3% |
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% 696
- Cancelled 1.4% 10
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD DCA Chicago O'Hare International Airport – Ronald Reagan Washington National Airport | 983 | -2.3 min | 95.0% | 568 |
| DCA IAH Ronald Reagan Washington National Airport – George Bush Intercontinental Airport | 1,942 | 9.0 min | 86.8% | 108 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 88.2% | 0 |
| November 2024 | 24 | 24 | 91.7% | 0 |
| December 2024 | 28 | 28 | 96.4% | 0 |
| January 2025 | 27 | 25 | 96.0% | 2 |
| February 2025 | 26 | 26 | 88.5% | 0 |
| March 2025 | 31 | 31 | 90.3% | 0 |
| April 2025 | 26 | 26 | 96.2% | 0 |
| May 2025 | 27 | 27 | 96.3% | 0 |
| June 2025 | 30 | 30 | 96.7% | 0 |
| July 2025 | 31 | 30 | 90.0% | 1 |
| August 2025 | 29 | 29 | 100.0% | 0 |
| September 2025 | 26 | 26 | 100.0% | 0 |
| October 2025 | 33 | 33 | 100.0% | 0 |
| November 2025 | 56 | 54 | 88.9% | 2 |
| December 2025 | 51 | 50 | 90.0% | 1 |
| January 2026 | 55 | 53 | 92.5% | 2 |
| February 2026 | 34 | 33 | 93.9% | 1 |
| March 2026 | 31 | 31 | 93.6% | 0 |
| April 2026 | 30 | 30 | 86.7% | 0 |
| May 2026 | 31 | 31 | 90.3% | 0 |
| June 2026 | 33 | 32 | 90.6% | 1 |
| July 2026 | 30 | 30 | 96.7% | 0 |