UA1783
UA1783 (United Airlines) is a multi-stop service on 4 routes, busiest Los Angeles to Boston. Of 744 departures recorded from October 2024 to July 2026, 84.4% left on time, according to the US BTS.
- On-time departures84.4%of 744 flights
- Average delay12.5 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.8%
- Legs flown under this number4
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 | 36 | 31 | ▼ 13.9% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 31 | ▲ 3.3% |
| May | 31 | 42 | ▲ 35.5% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 42 | – | – |
| September | 30 | – | – |
| October | 37 | – | in progress |
| November | 56 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 217 | 224 | ▲ 3.2% |
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 | 94.4% | 100.0% | ▲ 5.9% |
| February | 92.9% | 100.0% | ▲ 7.7% |
| March | 90.3% | 90.3% | 0.0% |
| April | 96.7% | 83.9% | ▼ 13.2% |
| May | 80.7% | 83.3% | ▲ 3.3% |
| June | 83.3% | 86.7% | ▲ 4.0% |
| July | 74.2% | 74.2% | 0.0% |
| August | 92.9% | – | – |
| September | 66.7% | – | – |
| October | 52.8% | – | in progress |
| November | 81.5% | – | – |
| December | 93.8% | – | – |
| Year-to-date average (Jan–Jul) | 87.5% | 88.3% | ▲ 1.0% |
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 | 2 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 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 99.2% 738
- Cancelled 0.8% 6
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAX BOS Los Angeles International Airport – Boston Logan International Airport | 4,193 | 9.5 min | 86.6% | 658 |
| BOS EWR Boston Logan International Airport – Newark Liberty International Airport | 322 | 47.5 min | 62.8% | 46 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 22 | 22 | 77.3% | 0 |
| November 2024 | 43 | 43 | 81.4% | 0 |
| December 2024 | 41 | 41 | 85.4% | 0 |
| January 2025 | 36 | 36 | 94.4% | 0 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 31 | 31 | 90.3% | 0 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 31 | 31 | 80.7% | 0 |
| June 2025 | 30 | 30 | 83.3% | 0 |
| July 2025 | 31 | 31 | 74.2% | 0 |
| August 2025 | 42 | 42 | 92.9% | 0 |
| September 2025 | 30 | 30 | 66.7% | 0 |
| October 2025 | 37 | 36 | 52.8% | 1 |
| November 2025 | 56 | 54 | 81.5% | 2 |
| December 2025 | 32 | 32 | 93.8% | 0 |
| January 2026 | 31 | 30 | 100.0% | 1 |
| February 2026 | 28 | 26 | 100.0% | 2 |
| March 2026 | 31 | 31 | 90.3% | 0 |
| April 2026 | 31 | 31 | 83.9% | 0 |
| May 2026 | 42 | 42 | 83.3% | 0 |
| June 2026 | 30 | 30 | 86.7% | 0 |
| July 2026 | 31 | 31 | 74.2% | 0 |