United Airlines UA340 Flight Status
According to Trip.com real-time data, the UA340 flight operated by United Airlines on Mar 19, 2026 is scheduled to fly from Atlanta (ATL) to Denver (DEN). The flight is expected to depart at 9:00 AM (local time in Atlanta, UTC-4) and land at 9:57 AM (local time in Denver, UTC-6) .
Wed, Mar 18
Thu, Mar 19
Fri, Mar 20
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Arrived
The flight has arrived 28m early
3h 32m
Check-in Counter
--
Boarding Gate
T17
Arrival Gate
B61
Baggage
15
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Scheduled
Your flight will depart on time.
3h 32m
Check-in Counter
--
Boarding Gate
T17
Arrival Gate
A34
Baggage
--
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Scheduled
Your flight will depart on time.
3h 32m
Check-in Counter
--
Boarding Gate
T19
Arrival Gate
--
Baggage
--
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Information provided by VariFlightVariFlight. For real-time updates, please check airport displays or contact your airline. If this is not your flight, you can browse more options for flights from Atlanta to Denver to find your schedule.
Track the Previous Flight Status: Landed at Atlanta
UA1305
|
Denver (DEN) 
Atlanta (ATL)
Atlanta (ATL)Scheduled: 10:22 PM
|
7m early
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UA340 Aircraft Details
According to Trip.com real-time data, the UA340 flight flying from Atlanta to Denver on 3/19/2026 is operated by the aircraft model Boeing 737-800. This aircraft has been in service for 17y, 11m. The aircraft is equipped with 166 seats.
Boeing 737-800
Punctuality (Departure)
80%
Punctuality (Arrival)
93%
Early on average
1 minute
Age
17y, 11m
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
--
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
Legroom
53 cm
Seat width better than on 67% of flights
120°
Reclining Angle
2-2
Seat layout example
In-Flight Services
None
Seatback entertainment system
Wi-Fi (additional charge)
Power outlet
Seat Information
86 cm
Legroom
--
Seat width
100°
Reclining Angle
3-3
Seat layout example
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Flight History for UA340
Trip.com historical records show that the last UA340 flight departed on Wed, Mar 18 from ATL at approximately 9:13 AM. This flight is expected to arrrive in DEN at 10:04 AM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Sat, Mar 14 | Atlanta (ATL) | Denver (DEN) | 738 | 10:32 AM | 11:17 AM | Arrived |
| Sun, Mar 15 | Atlanta (ATL) | Denver (DEN) | 738 | 9:22 AM | 10:35 AM | Arrived |
| Mon, Mar 16 | Atlanta (ATL) | Denver (DEN) | 738 | 9:19 AM | 10:14 AM | Arrived |
| Tue, Mar 17 | Atlanta (ATL) | Denver (DEN) | 738 | 10:20 AM | 11:01 AM | Arrived |
| Wed, Mar 18 | Atlanta (ATL) | Denver (DEN) | 738 | 9:13 AM | 10:04 AM | Arrived |
| Thu, Mar 19 | Atlanta (ATL) | Denver (DEN) | 738 | 9:00 AM | 9:57 AM | Scheduled |
| Fri, Mar 20 | Atlanta (ATL) | Denver (DEN) | 738 | 9:00 AM | 10:32 AM | Scheduled |
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UA340 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA340 is 80% (Late on average 30 minutes), and the on-time arrival rate is 93% (Early on average 1 minute).
On-Time Departures
Punctuality
80%
Late on average 30 minutes
Early
0%
On time
80%
30 mins late
7%
60 mins late
7%
90 mins late
7%
Canceled
1%
On-Time Arrivals
Punctuality
93%
Early on average 1 minute
Early
73%
On time
20%
30 mins late
3%
60 mins late
0%
90 mins late
3%
Canceled
1%
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Arrival Info: Denver Weather & Current Time
Clear
|
7°C - 27°C
Weather forecast for your arrival day
-2 hour time difference
Time on arrival: Atlanta 11:57| Denver 09:57
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