UA2091
UA2091 (United Airlines) is a multi-stop service on 13 routes, busiest San Francisco to Chicago. Of 901 departures recorded from October 2024 to July 2026, 85.8% left on time, according to the US BTS.
- On-time departures85.8%of 901 flights
- Average delay7.9 min
- July 202662▲ 100.0%vs July 2025
- Cancelled0.4%
- Legs flown under this number13
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 | 31 | 0.0% |
| February | 28 | 55 | ▲ 96.4% |
| March | 25 | 62 | ▲ 148.0% |
| April | 20 | 60 | ▲ 200.0% |
| May | 28 | 62 | ▲ 121.4% |
| June | 27 | 60 | ▲ 122.2% |
| July | 31 | 62 | ▲ 100.0% |
| August | 31 | – | – |
| September | 41 | – | – |
| October | 83 | – | in progress |
| November | 59 | – | – |
| December | 32 | – | – |
| Year to date (Jan–Jul) | 190 | 392 | ▲ 106.3% |
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 | 77.4% | 93.6% | ▲ 20.8% |
| February | 85.7% | 98.2% | ▲ 14.5% |
| March | 92.0% | 83.9% | ▼ 8.8% |
| April | 100.0% | 88.3% | ▼ 11.7% |
| May | 53.9% | 88.7% | ▲ 64.7% |
| June | 85.2% | 93.3% | ▲ 9.6% |
| July | 71.0% | 85.5% | ▲ 20.4% |
| August | 64.5% | – | – |
| September | 87.8% | – | – |
| October | 85.5% | – | in progress |
| November | 80.7% | – | – |
| December | 93.8% | – | – |
| Year-to-date average (Jan–Jul) | 80.7% | 90.2% | ▲ 11.7% |
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 | 2 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 0 | ▼ 100.0% |
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 99.6% 897
- Cancelled 0.4% 4
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 |
|---|---|---|---|---|
| SFO ORD San Francisco International Airport – Chicago O'Hare International Airport | 2,964 | -1.3 min | 95.5% | 309 |
| ORD RDU Chicago O'Hare International Airport – Raleigh-Durham International Airport | 1,039 | 10.1 min | 82.2% | 163 |
| BNA EWR Nashville International Airport – Newark Liberty International Airport | 1,201 | 23.9 min | 69.6% | 104 |
| ORD EWR Chicago O'Hare International Airport – Newark Liberty International Airport | 1,154 | 12.0 min | 80.5% | 77 |
| LGA ORD LaGuardia Airport – Chicago O'Hare International Airport | 1,177 | -5.5 min | 100.0% | 45 |
| ORD DSM Chicago O'Hare International Airport – Des Moines International Airport | 480 | 17.0 min | 73.0% | 37 |
| ORD CLE Chicago O'Hare International Airport – Cleveland Hopkins International Airport | 507 | 12.9 min | 73.5% | 36 |
| ORD IAH Chicago O'Hare International Airport – George Bush Intercontinental Airport | 1,491 | 6.7 min | 80.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 24 | 24 | 100.0% | 0 |
| December 2024 | 29 | 29 | 86.2% | 0 |
| January 2025 | 31 | 31 | 77.4% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 25 | 25 | 92.0% | 0 |
| April 2025 | 20 | 20 | 100.0% | 0 |
| May 2025 | 28 | 26 | 53.9% | 2 |
| June 2025 | 27 | 27 | 85.2% | 0 |
| July 2025 | 31 | 31 | 71.0% | 0 |
| August 2025 | 31 | 31 | 64.5% | 0 |
| September 2025 | 41 | 41 | 87.8% | 0 |
| October 2025 | 83 | 83 | 85.5% | 0 |
| November 2025 | 59 | 57 | 80.7% | 2 |
| December 2025 | 32 | 32 | 93.8% | 0 |
| January 2026 | 31 | 31 | 93.6% | 0 |
| February 2026 | 55 | 55 | 98.2% | 0 |
| March 2026 | 62 | 62 | 83.9% | 0 |
| April 2026 | 60 | 60 | 88.3% | 0 |
| May 2026 | 62 | 62 | 88.7% | 0 |
| June 2026 | 60 | 60 | 93.3% | 0 |
| July 2026 | 62 | 62 | 85.5% | 0 |