UA1349
UA1349 (United Airlines) is a multi-stop service on 15 routes, busiest Boston to Chicago. Of 849 departures recorded from October 2024 to July 2026, 83.8% left on time, according to the US BTS.
- On-time departures83.8%of 849 flights
- Average delay10.9 min
- July 202692
- Cancelled1.3%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 56 | ▲ 80.6% |
| February | 28 | 69 | ▲ 146.4% |
| March | 31 | 56 | ▲ 80.6% |
| April | 30 | 56 | ▲ 86.7% |
| May | 30 | 70 | ▲ 133.3% |
| June | 9 | 90 | ▲ 900.0% |
| July | – | 92 | – |
| August | – | – | – |
| September | 29 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 30 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 96.7% | 85.2% | ▼ 11.9% |
| February | 88.9% | 95.5% | ▲ 7.4% |
| March | 87.1% | 92.7% | ▲ 6.5% |
| April | 86.7% | 85.7% | ▼ 1.1% |
| May | 65.5% | 87.1% | ▲ 33.0% |
| June | 66.7% | 86.5% | ▲ 29.8% |
| July | – | 82.4% | – |
| August | – | – | – |
| September | 96.6% | – | – |
| October | 83.9% | – | in progress |
| November | 76.7% | – | – |
| December | 93.3% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 2 | ▲ 100.0% |
| February | 1 | 3 | ▲ 200.0% |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 1 | – |
| July | – | 1 | – |
| August | – | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
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 98.7% 838
- Cancelled 1.3% 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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS ORD Boston Logan International Airport – Chicago O'Hare International Airport | 1,391 | 2.6 min | 91.9% | 277 |
| ORD PIT Chicago O'Hare International Airport – Pittsburgh International Airport | 662 | 16.4 min | 77.1% | 134 |
| TPA EWR Tampa International Airport – Newark Liberty International Airport | 1,607 | 10.7 min | 86.1% | 86 |
| PIT LAX Pittsburgh International Airport – Los Angeles International Airport | 3,430 | 9.6 min | 85.9% | 71 |
| ORD MCO Chicago O'Hare International Airport – Orlando International Airport | 1,620 | 2.7 min | 91.4% | 58 |
| IAH SFO George Bush Intercontinental Airport – San Francisco International Airport | 2,627 | 60.5 min | 35.1% | 37 |
| DCA ORD Ronald Reagan Washington National Airport – Chicago O'Hare International Airport | 983 | 0.4 min | 94.3% | 37 |
| ORD SLC Chicago O'Hare International Airport – Salt Lake City International Airport | 2,006 | 5.5 min | 83.9% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 75.0% | 0 |
| November 2024 | 30 | 30 | 33.3% | 0 |
| December 2024 | 31 | 31 | 64.5% | 0 |
| January 2025 | 31 | 30 | 96.7% | 1 |
| February 2025 | 28 | 27 | 88.9% | 1 |
| March 2025 | 31 | 31 | 87.1% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 30 | 29 | 65.5% | 1 |
| June 2025 | 9 | 9 | 66.7% | 0 |
| September 2025 | 29 | 29 | 96.6% | 0 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 30 | 30 | 76.7% | 0 |
| December 2025 | 30 | 30 | 93.3% | 0 |
| January 2026 | 56 | 54 | 85.2% | 2 |
| February 2026 | 69 | 66 | 95.5% | 3 |
| March 2026 | 56 | 55 | 92.7% | 1 |
| April 2026 | 56 | 56 | 85.7% | 0 |
| May 2026 | 70 | 70 | 87.1% | 0 |
| June 2026 | 90 | 89 | 86.5% | 1 |
| July 2026 | 92 | 91 | 82.4% | 1 |