UA1598
UA1598 (United Airlines) is a multi-stop service on 15 routes, busiest West Palm Beach to Newark. Of 690 departures recorded from October 2024 to July 2026, 82.5% left on time, according to the US BTS.
- On-time departures82.5%of 690 flights
- Average delay14.0 min
- July 202630▲ 42.9%vs July 2025
- Cancelled1.3%
- Legs flown under this number15
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 | 50 | 31 | ▼ 38.0% |
| February | 36 | 56 | ▲ 55.6% |
| March | 31 | 39 | ▲ 25.8% |
| April | 26 | 30 | ▲ 15.4% |
| May | 24 | 39 | ▲ 62.5% |
| June | 22 | 26 | ▲ 18.2% |
| July | 21 | 30 | ▲ 42.9% |
| August | 26 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 210 | 251 | ▲ 19.5% |
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 | 92.0% | 93.3% | ▲ 1.4% |
| February | 75.0% | 88.7% | ▲ 18.2% |
| March | 80.7% | 84.6% | ▲ 4.9% |
| April | 80.8% | 96.7% | ▲ 19.7% |
| May | 54.6% | 84.6% | ▲ 55.1% |
| June | 50.0% | 84.6% | ▲ 69.2% |
| July | 36.8% | 83.3% | ▲ 126.2% |
| August | 92.3% | – | – |
| September | 86.7% | – | – |
| October | 74.2% | – | in progress |
| November | 89.7% | – | – |
| December | 83.9% | – | – |
| Year-to-date average (Jan–Jul) | 67.1% | 88.0% | ▲ 31.1% |
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 | 1 | – |
| February | 0 | 3 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 4 | 0.0% |
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 98.7% 681
- Cancelled 1.3% 9
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DJT EWR President Donald J. Trump International Airport – Newark Liberty International Airport | 1,650 | 8.4 min | 90.2% | 260 |
| DFW IAH Dallas Fort Worth International Airport – George Bush Intercontinental Airport | 362 | 48.4 min | 54.0% | 80 |
| BUF EWR Buffalo Niagara International Airport – Newark Liberty International Airport | 453 | 8.0 min | 86.1% | 79 |
| EWR BOS Newark Liberty International Airport – Boston Logan International Airport | 322 | 8.9 min | 78.3% | 60 |
| MKE DEN General Mitchell International Airport – Denver International Airport | 1,438 | 3.7 min | 91.9% | 37 |
| DEN PWM Denver International Airport – Portland International Jetport | 2,861 | 4.3 min | 86.1% | 36 |
| MTJ DEN Montrose Regional Airport – Denver International Airport | 316 | 35.2 min | 71.0% | 31 |
| DRO IAH Durango La Plata County Airport – George Bush Intercontinental Airport | 1,397 | 6.2 min | 83.9% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 31 | 31 | 83.9% | 0 |
| January 2025 | 50 | 50 | 92.0% | 0 |
| February 2025 | 36 | 36 | 75.0% | 0 |
| March 2025 | 31 | 31 | 80.7% | 0 |
| April 2025 | 26 | 26 | 80.8% | 0 |
| May 2025 | 24 | 22 | 54.6% | 2 |
| June 2025 | 22 | 22 | 50.0% | 0 |
| July 2025 | 21 | 19 | 36.8% | 2 |
| August 2025 | 26 | 26 | 92.3% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 31 | 31 | 74.2% | 0 |
| November 2025 | 30 | 29 | 89.7% | 1 |
| December 2025 | 31 | 31 | 83.9% | 0 |
| January 2026 | 31 | 30 | 93.3% | 1 |
| February 2026 | 56 | 53 | 88.7% | 3 |
| March 2026 | 39 | 39 | 84.6% | 0 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 39 | 39 | 84.6% | 0 |
| June 2026 | 26 | 26 | 84.6% | 0 |
| July 2026 | 30 | 30 | 83.3% | 0 |