UA678
UA678 (United Airlines) is a multi-stop service on 13 routes, busiest McAllen to Houston. Of 1,020 departures recorded from October 2024 to July 2026, 87.4% left on time, according to the US BTS.
- On-time departures87.4%of 1,020 flights
- Average delay7.1 min
- July 202658▲ 0.0%vs July 2025
- Cancelled1.0%
- Legs flown under this number13
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 | 31 | 36 | ▲ 16.1% |
| February | 42 | 42 | 0.0% |
| March | 58 | 57 | ▼ 1.7% |
| April | 30 | 56 | ▲ 86.7% |
| May | 56 | 57 | ▲ 1.8% |
| June | 77 | 56 | ▼ 27.3% |
| July | 58 | 58 | 0.0% |
| August | 57 | – | – |
| September | 51 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 56 | – | – |
| Year to date (Jan–Jul) | 352 | 362 | ▲ 2.8% |
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 | 74.2% | 100.0% | ▲ 34.8% |
| February | 83.3% | 92.7% | ▲ 11.2% |
| March | 84.5% | 85.5% | ▲ 1.1% |
| April | 93.3% | 85.5% | ▼ 8.4% |
| May | 83.6% | 81.8% | ▼ 2.2% |
| June | 72.7% | 91.1% | ▲ 25.2% |
| July | 87.7% | 84.5% | ▼ 3.7% |
| August | 89.3% | – | – |
| September | 100.0% | – | – |
| October | 87.1% | – | in progress |
| November | 96.7% | – | – |
| December | 83.9% | – | – |
| Year-to-date average (Jan–Jul) | 82.8% | 88.7% | ▲ 7.2% |
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 | 0 | 1 | – |
| February | 0 | 1 | – |
| March | 0 | 2 | – |
| April | 0 | 1 | – |
| May | 1 | 2 | ▲ 100.0% |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 7 | ▲ 250.0% |
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 99.0% 1,010
- Cancelled 1.0% 10
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MFE IAH McAllen Miller International Airport – George Bush Intercontinental Airport | 510 | 5.6 min | 91.6% | 419 |
| IAH LGA George Bush Intercontinental Airport – LaGuardia Airport | 2,277 | 12.4 min | 81.6% | 300 |
| IAD RSW Washington Dulles International Airport – Southwest Florida International Airport | 1,437 | 11.0 min | 76.8% | 82 |
| ORD CLT Chicago O'Hare International Airport – Charlotte Douglas International Airport | 965 | -7.4 min | 100.0% | 52 |
| RSW ORD Southwest Florida International Airport – Chicago O'Hare International Airport | 1,807 | -2.2 min | 90.2% | 41 |
| ORD IAH Chicago O'Hare International Airport – George Bush Intercontinental Airport | 1,491 | -2.8 min | 93.8% | 32 |
| LGA ORD LaGuardia Airport – Chicago O'Hare International Airport | 1,177 | 12.3 min | 81.3% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 30 | 30 | 100.0% | 0 |
| December 2024 | 31 | 31 | 96.8% | 0 |
| January 2025 | 31 | 31 | 74.2% | 0 |
| February 2025 | 42 | 42 | 83.3% | 0 |
| March 2025 | 58 | 58 | 84.5% | 0 |
| April 2025 | 30 | 30 | 93.3% | 0 |
| May 2025 | 56 | 55 | 83.6% | 1 |
| June 2025 | 77 | 77 | 72.7% | 0 |
| July 2025 | 58 | 57 | 87.7% | 1 |
| August 2025 | 57 | 56 | 89.3% | 1 |
| September 2025 | 51 | 51 | 100.0% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 30 | 30 | 96.7% | 0 |
| December 2025 | 56 | 56 | 83.9% | 0 |
| January 2026 | 36 | 35 | 100.0% | 1 |
| February 2026 | 42 | 41 | 92.7% | 1 |
| March 2026 | 57 | 55 | 85.5% | 2 |
| April 2026 | 56 | 55 | 85.5% | 1 |
| May 2026 | 57 | 55 | 81.8% | 2 |
| June 2026 | 56 | 56 | 91.1% | 0 |
| July 2026 | 58 | 58 | 84.5% | 0 |