UA651
UA651 (United Airlines) is a multi-stop service on 18 routes, busiest Fort Lauderdale to Chicago. Of 754 departures recorded from October 2024 to July 2026, 79.3% left on time, according to the US BTS.
- On-time departures79.3%of 754 flights
- Average delay13.6 min
- July 202661▲ 96.8%vs July 2025
- Cancelled0.7%
- Legs flown under this number18
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 | 30 | ▼ 3.2% |
| February | 28 | 24 | ▼ 14.3% |
| March | 31 | 20 | ▼ 35.5% |
| April | 30 | 31 | ▲ 3.3% |
| May | 25 | 62 | ▲ 148.0% |
| June | 30 | 60 | ▲ 100.0% |
| July | 31 | 61 | ▲ 96.8% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 31 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 206 | 288 | ▲ 39.8% |
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 | 71.0% | 80.0% | ▲ 12.7% |
| February | 78.6% | 75.0% | ▼ 4.5% |
| March | 93.6% | 50.0% | ▼ 46.6% |
| April | 53.3% | 77.4% | ▲ 45.2% |
| May | 88.0% | 93.6% | ▲ 6.3% |
| June | 76.7% | 71.7% | ▼ 6.5% |
| July | 51.6% | 77.6% | ▲ 50.3% |
| August | 83.3% | – | – |
| September | 93.3% | – | – |
| October | 87.1% | – | in progress |
| November | 90.0% | – | – |
| December | 77.4% | – | – |
| Year-to-date average (Jan–Jul) | 73.2% | 75.0% | ▲ 2.4% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 3 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 3 |
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 99.3% 749
- Cancelled 0.7% 5
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 |
|---|---|---|---|---|
| FLL ORD Fort Lauderdale Hollywood International Airport – Chicago O'Hare International Airport | 1,905 | 19.6 min | 72.5% | 161 |
| JAC DEN Jackson Hole Airport – Denver International Airport | 653 | 19.0 min | 76.9% | 157 |
| EWR FLL Newark Liberty International Airport – Fort Lauderdale Hollywood International Airport | 1,717 | 10.5 min | 85.7% | 93 |
| PHX LAX Phoenix Sky Harbor International Airport – Los Angeles International Airport | 595 | 1.1 min | 90.8% | 65 |
| FCA DEN Glacier Park International Airport – Denver International Airport | 1,210 | 12.6 min | 70.3% | 37 |
| DEN PIT Denver International Airport – Pittsburgh International Airport | 2,071 | -2.6 min | 91.7% | 36 |
| COS DEN City of Colorado Springs Municipal Airport – Denver International Airport | 117 | 63.8 min | 50.0% | 32 |
| LAX LAS Los Angeles International Airport – Harry Reid International Airport | 380 | 10.7 min | 74.2% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 25 | 25 | 88.0% | 0 |
| November 2024 | 50 | 50 | 80.0% | 0 |
| December 2024 | 31 | 31 | 93.6% | 0 |
| January 2025 | 31 | 31 | 71.0% | 0 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 30 | 30 | 53.3% | 0 |
| May 2025 | 25 | 25 | 88.0% | 0 |
| June 2025 | 30 | 30 | 76.7% | 0 |
| July 2025 | 31 | 31 | 51.6% | 0 |
| August 2025 | 31 | 30 | 83.3% | 1 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 31 | 30 | 90.0% | 1 |
| December 2025 | 31 | 31 | 77.4% | 0 |
| January 2026 | 30 | 30 | 80.0% | 0 |
| February 2026 | 24 | 24 | 75.0% | 0 |
| March 2026 | 20 | 20 | 50.0% | 0 |
| April 2026 | 31 | 31 | 77.4% | 0 |
| May 2026 | 62 | 62 | 93.6% | 0 |
| June 2026 | 60 | 60 | 71.7% | 0 |
| July 2026 | 61 | 58 | 77.6% | 3 |