UA840
UA840 (United Airlines) is a multi-stop service on 2 routes, busiest Chicago to Anchorage. Of 100 departures recorded from April 2026 to July 2026, 94.0% left on time, according to the US BTS.
- On-time departures94.0%of 100 flights
- Average delay2.7 min
- July 202631
- Cancelled0.0%
- Legs flown under this number2
Recorded departures by month
Short series — UA840 has only 4 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
The most recent periods4 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | 2 | – |
| May | – | 37 | – |
| June | – | 30 | – |
| July | – | 31 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2026 → July 2026
On-time departures by month
Short series — UA840 has only 4 months so far. Enough to show the level now, not enough to read a trend.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods4 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | 50.0% | – |
| May | – | 89.2% | – |
| June | – | 96.7% | – |
| July | – | 100.0% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2026 → July 2026
Average departure delay by month
Short series — UA840 has only 4 months so far. Enough to show the level now, not enough to read a trend.
according to the US BTS · April 2026 → July 2026
Cancelled departures by month
Short series — UA840 has only 4 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods4 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2026 → 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 100.0% 100
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Apr 30, 2026 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD ANC Chicago O'Hare International Airport – Ted Stevens Anchorage International Airport | 4,568 | 3.3 min | 93.6% | 93 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| April 2026 | 2 | 2 | 50.0% | 0 |
| May 2026 | 37 | 37 | 89.2% | 0 |
| June 2026 | 30 | 30 | 96.7% | 0 |
| July 2026 | 31 | 31 | 100.0% | 0 |