UA840 Aircraft Details
According to Trip.com real-time data, the UA840 flight flying from Chicago to Anchorage on 7/6/2026 is operated by the aircraft model Boeing 737 MAX 8. This aircraft has been in service for 2y, 6m. The aircraft is equipped with 166 seats.

Boeing 737 MAX 8
Punctuality (Departure)
53%
Punctuality (Arrival)
100%
Early on average
24 minutes
Age
2y, 6m
Seats
166
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
76 cm
Legroom
43 cm
Seat width
100°
Reclining Angle
3-3
Seat layout example
In-Flight Services
Meal included
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
94 cm
More legroom than on 36% of flights
53 cm
Seat width
120°
Reclining Angle
2-2
Seat layout example
In-Flight Services
None
Seatback entertainment system
Wi-Fi (additional charge)
USB port and power outlet
Seat Information
86 cm
Legroom
43 cm
Seat width
100°
Reclining Angle
3-3
Seat layout example
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Flight History for UA840
Trip.com historical records show that the last UA840 flight departed on Sun, Jul 5 from ORD at approximately 09:15. This flight is expected to arrrive in ANC at 12:14.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Jul 2 | Chicago (ORD) | Anchorage (ANC) | B38M | 09:37 | 12:26 | Arrived |
| Fri, Jul 3 | Chicago (ORD) | Anchorage (ANC) | B38M | 09:30 | 12:17 | Arrived |
| Sat, Jul 4 | Chicago (ORD) | Anchorage (ANC) | B38M | 09:22 | 12:10 | Arrived |
| Sun, Jul 5 | Chicago (ORD) | Anchorage (ANC) | B38M | 09:15 | 12:14 | Arrived |
| Mon, Jul 6 | Chicago (ORD) | Anchorage (ANC) | B38M | 09:55 | 12:52 | Delayed |
| Tue, Jul 7 | Chicago (ORD) | Anchorage (ANC) | B38M | 09:04 | 12:56 | Scheduled |
| Wed, Jul 8 | Chicago (ORD) | Anchorage (ANC) | B38M | 09:04 | 12:56 | Scheduled |
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UA840 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA840 is 53% (Late on average 31 minutes), and the on-time arrival rate is 100% (Early on average 24 minutes).
On-Time Departures
Punctuality
53%
Late on average 31 minutes
Early
0%
On time
53%
30 mins late
47%
60 mins late
0%
90 mins late
0%
Cancelled
0%
On-Time Arrivals
Punctuality
100%
Early on average 24 minutes
Early
97%
On time
3%
30 mins late
0%
60 mins late
0%
90 mins late
0%
Cancelled
0%
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