UA1643
UA1643 (United Airlines) is a multi-stop service on 12 routes, busiest Orlando to Newark. Of 748 departures recorded from October 2024 to July 2026, 81.8% left on time, according to the US BTS.
- On-time departures81.8%of 748 flights
- Average delay14.4 min
- July 202662▲ 100.0%vs July 2025
- Cancelled2.1%
- Legs flown under this number12
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 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 31 | 31 | 0.0% |
| April | 30 | 32 | ▲ 6.7% |
| May | 29 | 70 | ▲ 141.4% |
| June | 30 | 60 | ▲ 100.0% |
| July | 31 | 62 | ▲ 100.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 210 | 314 | ▲ 49.5% |
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 | 96.4% | 76.7% | ▼ 20.5% |
| February | 89.3% | 72.0% | ▼ 19.4% |
| March | 80.7% | 74.2% | ▼ 8.0% |
| April | 65.5% | 71.9% | ▲ 9.7% |
| May | 55.6% | 92.9% | ▲ 67.1% |
| June | 100.0% | 73.3% | ▼ 26.7% |
| July | 90.3% | 86.2% | ▼ 4.6% |
| August | 93.6% | – | – |
| September | 86.7% | – | – |
| October | 80.7% | – | in progress |
| November | 51.9% | – | – |
| December | 77.4% | – | – |
| Year-to-date average (Jan–Jul) | 82.5% | 78.2% | ▼ 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 | 3 | 1 | ▼ 66.7% |
| February | 0 | 3 | – |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 4 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 8 | ▲ 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 97.9% 732
- Cancelled 2.1% 16
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MCO EWR Orlando International Airport – Newark Liberty International Airport | 1,511 | 32.8 min | 68.3% | 272 |
| ORD MCO Chicago O'Hare International Airport – Orlando International Airport | 1,620 | 3.6 min | 84.0% | 125 |
| ORD SEA Chicago O'Hare International Airport – Seattle–Tacoma International Airport | 2,762 | -0.4 min | 94.7% | 95 |
| MIA IAD Miami International Airport – Washington Dulles International Airport | 1,486 | 5.1 min | 93.1% | 72 |
| EWR SAV Newark Liberty International Airport – Savannah Hilton Head International Airport | 1,140 | -3.2 min | 91.2% | 37 |
| BDL ORD Bradley International Airport – Chicago O'Hare International Airport | 1,257 | 1.1 min | 96.8% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 11 | 90.9% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 31 | 31 | 87.1% | 0 |
| January 2025 | 31 | 28 | 96.4% | 3 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 31 | 31 | 80.7% | 0 |
| April 2025 | 30 | 29 | 65.5% | 1 |
| May 2025 | 29 | 27 | 55.6% | 2 |
| June 2025 | 30 | 30 | 100.0% | 0 |
| July 2025 | 31 | 31 | 90.3% | 0 |
| August 2025 | 31 | 31 | 93.6% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 31 | 31 | 80.7% | 0 |
| November 2025 | 29 | 27 | 51.9% | 2 |
| December 2025 | 31 | 31 | 77.4% | 0 |
| January 2026 | 31 | 30 | 76.7% | 1 |
| February 2026 | 28 | 25 | 72.0% | 3 |
| March 2026 | 31 | 31 | 74.2% | 0 |
| April 2026 | 32 | 32 | 71.9% | 0 |
| May 2026 | 70 | 70 | 92.9% | 0 |
| June 2026 | 60 | 60 | 73.3% | 0 |
| July 2026 | 62 | 58 | 86.2% | 4 |