UA1791 Aircraft Details
According to Trip.com real-time data, the UA1791 flight flying from Los Angeles to Washington D.C. on 7/7/2026 is operated by the aircraft model Boeing 737-900. This aircraft has been in service for 6m. The aircraft is equipped with Up to 191 seats.

Boeing 737-900
Punctuality (Departure)
37%
Punctuality (Arrival)
87%
Late on average
0 minutes
Age
6m
Seats
Up to 191
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
Live TV
Wi-Fi is available
Power outlet
Seat Information
76 cm
Legroom
--
Seat width
100°
Reclining Angle
--
Seat layout example
In-Flight Services
Snacks
Live TV
Wi-Fi is available
Power outlet
Seat Information
94 cm
Legroom
--
Seat width
120°
Reclining Angle
--
Seat layout example
In-Flight Services
Snacks
Live TV
Wi-Fi is available
Power outlet
Seat Information
86 cm
More legroom than on 4% of flights
44 cm
Seat width better than on 76% of flights
105°
Reclining Angle
--
Seat layout example
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Recent Flight History for UA1791
Trip.com historical records show that the last UA1791 flight departed on Mon, Jul 6 from LAX at approximately 10:55. This flight is expected to arrrive in IAD at 21:10.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Thu, Jul 2 | Los Angeles (LAX) | Washington D.C. (IAD) | 772 | 11:56 | 21:18 | Arrived |
| Fri, Jul 3 | Los Angeles (LAX) | Washington D.C. (IAD) | 772 | 11:10 | 21:02 | Arrived |
| Sat, Jul 4 | San Francisco (SFO) | Washington D.C. (IAD) | 772 | 13:37 | 21:10 | Arrived |
| Sun, Jul 5 | Los Angeles (LAX) | Washington D.C. (IAD) | B39M | 12:05 | 21:03 | Arrived |
| Mon, Jul 6 | Los Angeles (LAX) | Washington D.C. (IAD) | B39M | 10:55 | 21:10 | Scheduled |
| Tue, Jul 7 | Los Angeles (LAX) | Washington D.C. (IAD) | B39M | 10:55 | 21:25 | Scheduled |
| Wed, Jul 8 | Los Angeles (LAX) | Washington D.C. (IAD) | B39M | 10:55 | 21:25 | Scheduled |
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UA1791 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA1791 is 37% (Late on average 52 minutes), and the on-time arrival rate is 87% (Early on average 0 minutes).
On-Time Departures
Punctuality
37%
Late on average 52 minutes
Early
0%
On time
37%
30 mins late
30%
60 mins late
23%
90 mins late
10%
Cancelled
0%
On-Time Arrivals
Punctuality
87%
Early on average 0 minutes
Early
77%
On time
10%
30 mins late
0%
60 mins late
7%
90 mins late
7%
Cancelled
0%
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