UA1617
UA1617 (United Airlines) is a multi-stop service on 13 routes, busiest Houston to Chicago. Of 975 departures recorded from October 2024 to July 2026, 82.5% left on time, according to the US BTS.
- On-time departures82.5%of 975 flights
- Average delay10.7 min
- July 202662▲ 0.0%vs July 2025
- Cancelled1.4%
- Legs flown under this number13
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 | 53 | ▲ 71.0% |
| February | 42 | 52 | ▲ 23.8% |
| March | 37 | 56 | ▲ 51.4% |
| April | 60 | 31 | ▼ 48.3% |
| May | 41 | 51 | ▲ 24.4% |
| June | 60 | 36 | ▼ 40.0% |
| July | 62 | 62 | 0.0% |
| August | 44 | – | – |
| September | 60 | – | – |
| October | 56 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 333 | 341 | ▲ 2.4% |
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 | 77.4% | 86.8% | ▲ 12.1% |
| February | 78.6% | 90.2% | ▲ 14.8% |
| March | 78.4% | 88.9% | ▲ 13.4% |
| April | 86.4% | 90.3% | ▲ 4.5% |
| May | 61.5% | 94.1% | ▲ 52.9% |
| June | 80.0% | 91.7% | ▲ 14.6% |
| July | 79.0% | 75.0% | ▼ 5.1% |
| August | 81.4% | – | – |
| September | 88.3% | – | – |
| October | 85.7% | – | in progress |
| November | 89.7% | – | – |
| December | 83.9% | – | – |
| Year-to-date average (Jan–Jul) | 77.3% | 88.1% | ▲ 14.0% |
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 | 0 | 0 | – |
| February | 0 | 1 | – |
| March | 0 | 2 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 6 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 9 | ▲ 200.0% |
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 98.6% 961
- Cancelled 1.4% 14
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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IAH ORD George Bush Intercontinental Airport – Chicago O'Hare International Airport | 1,491 | -1.9 min | 94.1% | 291 |
| ORD PHL Chicago O'Hare International Airport – Philadelphia International Airport | 1,088 | 18.8 min | 75.4% | 282 |
| SEA ORD Seattle–Tacoma International Airport – Chicago O'Hare International Airport | 2,762 | 0.9 min | 95.8% | 71 |
| ORD LGA Chicago O'Hare International Airport – LaGuardia Airport | 1,177 | 26.1 min | 65.3% | 55 |
| PIT ORD Pittsburgh International Airport – Chicago O'Hare International Airport | 662 | -1.2 min | 94.0% | 50 |
| ORD MSN Chicago O'Hare International Airport – Dane County Regional Truax Field | 175 | 7.7 min | 82.9% | 42 |
| PHL SFO Philadelphia International Airport – San Francisco International Airport | 4,048 | 32.3 min | 48.7% | 37 |
| MCO IAD Orlando International Airport – Washington Dulles International Airport | 1,222 | 1.9 min | 86.1% | 37 |
| ORD SEA Chicago O'Hare International Airport – Seattle–Tacoma International Airport | 2,762 | 8.9 min | 81.3% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 94.1% | 0 |
| November 2024 | 16 | 16 | 56.3% | 0 |
| December 2024 | 47 | 47 | 66.0% | 0 |
| January 2025 | 31 | 31 | 77.4% | 0 |
| February 2025 | 42 | 42 | 78.6% | 0 |
| March 2025 | 37 | 37 | 78.4% | 0 |
| April 2025 | 60 | 59 | 86.4% | 1 |
| May 2025 | 41 | 39 | 61.5% | 2 |
| June 2025 | 60 | 60 | 80.0% | 0 |
| July 2025 | 62 | 62 | 79.0% | 0 |
| August 2025 | 44 | 43 | 81.4% | 1 |
| September 2025 | 60 | 60 | 88.3% | 0 |
| October 2025 | 56 | 56 | 85.7% | 0 |
| November 2025 | 30 | 29 | 89.7% | 1 |
| December 2025 | 31 | 31 | 83.9% | 0 |
| January 2026 | 53 | 53 | 86.8% | 0 |
| February 2026 | 52 | 51 | 90.2% | 1 |
| March 2026 | 56 | 54 | 88.9% | 2 |
| April 2026 | 31 | 31 | 90.3% | 0 |
| May 2026 | 51 | 51 | 94.1% | 0 |
| June 2026 | 36 | 36 | 91.7% | 0 |
| July 2026 | 62 | 56 | 75.0% | 6 |