UA1557
UA1557 (United Airlines) is a multi-stop service on 17 routes, busiest Orlando to Newark. Of 747 departures recorded from October 2024 to July 2026, 71.1% left on time, according to the US BTS.
- On-time departures71.1%of 747 flights
- Average delay28.6 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.5%
- Legs flown under this number17
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 | 38 | ▲ 22.6% |
| February | 28 | 50 | ▲ 78.6% |
| March | 31 | 35 | ▲ 12.9% |
| April | 30 | 31 | ▲ 3.3% |
| May | 21 | 51 | ▲ 142.9% |
| June | 26 | 30 | ▲ 15.4% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 37 | – | in progress |
| November | 59 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 198 | 266 | ▲ 34.3% |
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 | 80.0% | 70.3% | ▼ 12.2% |
| February | 82.1% | 76.0% | ▼ 7.5% |
| March | 74.2% | 74.3% | ▲ 0.1% |
| April | 50.0% | 74.2% | ▲ 48.4% |
| May | 20.0% | 80.4% | ▲ 302.0% |
| June | 46.2% | 62.1% | ▲ 34.5% |
| July | 41.4% | 67.9% | ▲ 64.0% |
| August | 40.0% | – | – |
| September | 73.3% | – | – |
| October | 91.9% | – | in progress |
| November | 84.5% | – | – |
| December | 75.0% | – | – |
| Year-to-date average (Jan–Jul) | 56.3% | 72.2% | ▲ 28.2% |
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 | 1 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 1 | – |
| July | 2 | 3 | ▲ 50.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 5 | ▲ 25.0% |
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 98.5% 736
- Cancelled 1.5% 11
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 |
|---|---|---|---|---|
| MCO EWR Orlando International Airport – Newark Liberty International Airport | 1,511 | 47.2 min | 57.0% | 256 |
| SFO ORD San Francisco International Airport – Chicago O'Hare International Airport | 2,964 | 18.5 min | 72.7% | 111 |
| ORD MDT Chicago O'Hare International Airport – Harrisburg International Airport | 954 | 36.1 min | 68.7% | 71 |
| ABQ ORD Albuquerque International Sunport – Chicago O'Hare International Airport | 1,796 | 24.3 min | 79.3% | 53 |
| ORD GRR Chicago O'Hare International Airport – Gerald R. Ford International Airport | 220 | 24.1 min | 73.8% | 42 |
| PHX SFO Phoenix Sky Harbor International Airport – San Francisco International Airport | 1,047 | -4.3 min | 94.4% | 36 |
| LAX SFO Los Angeles International Airport – San Francisco International Airport | 543 | 15.9 min | 80.6% | 36 |
| BUF ORD Buffalo Niagara International Airport – Chicago O'Hare International Airport | 760 | -0.9 min | 93.6% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 29 | 29 | 82.8% | 0 |
| December 2024 | 45 | 45 | 82.2% | 0 |
| January 2025 | 31 | 30 | 80.0% | 1 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 31 | 31 | 74.2% | 0 |
| April 2025 | 30 | 30 | 50.0% | 0 |
| May 2025 | 21 | 20 | 20.0% | 1 |
| June 2025 | 26 | 26 | 46.2% | 0 |
| July 2025 | 31 | 29 | 41.4% | 2 |
| August 2025 | 31 | 30 | 40.0% | 1 |
| September 2025 | 30 | 30 | 73.3% | 0 |
| October 2025 | 37 | 37 | 91.9% | 0 |
| November 2025 | 59 | 58 | 84.5% | 1 |
| December 2025 | 32 | 32 | 75.0% | 0 |
| January 2026 | 38 | 37 | 70.3% | 1 |
| February 2026 | 50 | 50 | 76.0% | 0 |
| March 2026 | 35 | 35 | 74.3% | 0 |
| April 2026 | 31 | 31 | 74.2% | 0 |
| May 2026 | 51 | 51 | 80.4% | 0 |
| June 2026 | 30 | 29 | 62.1% | 1 |
| July 2026 | 31 | 28 | 67.9% | 3 |