United Airlines UA644 Flight Status
According to Trip.com real-time data, the UA644 flight operated by United Airlines on Sep 20, 2026 is scheduled to fly from Dallas (DFW) to Portland (PDX). The flight is expected to depart at 8:53 AM (local time in Dallas, UTC-5) and land at 1:14 PM (local time in Portland, UTC-7) .
Sat, Sep 19
Sun, Sep 20
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En route
Your flight has departed Dallas and is expected to arrive in Portland at 1:03 PM.
6h 21m
DEN
1h 51m
Check-in Counter
--
Boarding Gate
E6
Arrival Gate
E4
Baggage
9
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Scheduled
Your flight will depart on time.
6h 21m
DEN
2h 3m
Check-in Counter
--
Boarding Gate
E6
Arrival Gate
E4
Baggage
9
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Information provided by VariFlight For real-time updates, please check airport displays or contact your airline. You can also explore more flights from Dallas to Portland or track other flights with our flight status tracker.
UA644 Aircraft Details
According to Trip.com real-time data, the UA644 flight flying from Dallas to Portland on 9/20/2026 is operated by the aircraft model Boeing 737-800. This aircraft has been in service for 2y, 4m. The aircraft is equipped with 200 seats.
Boeing 737-800
Punctuality (Departure)
57%
Punctuality (Arrival)
97%
Early on average
9 minutes
Age
2y, 4m
Seats
200
Flight Distance
--
Economy
First
Premium Economy
In-Flight Services
None
Unknown
Wi-Fi is available
USB port and power outlet
Seat Information
76 cm
Legroom
47 cm
Seat width better than on 100% of flights
100°
Reclining Angle
--
Seat layout example
In-Flight Services
Snacks
Unknown
Wi-Fi is available
USB port and power outlet
Seat Information
94 cm
More legroom than on 47% of flights
53 cm
Seat width better than on 27% of flights
120°
Reclining Angle
--
Seat layout example
In-Flight Services
Snacks
Unknown
Wi-Fi is available
USB port and power outlet
Seat Information
84 cm
Legroom
47 cm
Seat width better than on 100% of flights
110°
Reclining Angle
--
Seat layout example
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Flight History for UA644
Trip.com historical records show that the last UA644 flight departed on Sat, Sep 19 from DFW at approximately 9:06 AM. This flight is expected to arrrive in PDX at 1:03 PM.
| Date | Airport | Aircraft Model | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Sep 15 | Dallas (DFW) | Portland (PDX) | A21N | 9:57 AM | 1:06 PM | Arrived |
| Wed, Sep 16 | Dallas (DFW) | Portland (PDX) | A21N | 9:14 AM | 12:58 PM | Arrived |
| Thu, Sep 17 | Dallas (DFW) | Portland (PDX) | A21N | 9:06 AM | 1:06 PM | Arrived |
| Fri, Sep 18 | Dallas (DFW) | Portland (PDX) | A21N | 9:23 AM | 1:32 PM | Arrived |
| Sat, Sep 19 | Dallas (DFW) | Portland (PDX) | A21N | 9:06 AM | 1:03 PM | En route |
| Sun, Sep 20 | Dallas (DFW) | Portland (PDX) | A21N | 8:53 AM | 1:14 PM | Scheduled |
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UA644 On-Time Performance
Based on the average performance of this flight over the past 30 trips, the on-time departure rate of UA644 is 57% (Late on average 35 minutes), and the on-time arrival rate is 97% (Early on average 9 minutes).
On-Time Departures
Punctuality
57%
Late on average 35 minutes
Early
0%
On time
57%
30 mins late
27%
60 mins late
10%
90 mins late
7%
Canceled
0%
On-Time Arrivals
Punctuality
97%
Early on average 9 minutes
Early
90%
On time
7%
30 mins late
3%
60 mins late
0%
90 mins late
0%
Canceled
0%
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Frequently Asked Questions
What is the current status of flight ua644?
Flight ua644 has not departed yet and is currently on schedule. Scheduled departure 8:53 AM, arrival 1:14 PM (updated Sep 20, 2026).Is flight ua644 on time today?
Flight ua644 has not departed yet and is currently on schedule. Scheduled departure is 8:53 AM, with arrival at 1:14 PM. Recheck gate and timing before you head to the airport.Has flight ua644 departed yet? What is the departure time?
Flight ua644 is scheduled to depart at 8:53 AM. The latest actual or estimated departure time is 8:53 AM, and the current status is Scheduled (updated Sep 20, 2026).When is flight ua644 scheduled to arrive?
Flight ua644 is scheduled to arrive at 1:14 PM. The latest estimated or actual arrival time is 1:14 PM. Status is Scheduled as of Sep 20, 2026.What is the gate information for flight ua644?
For flight ua644, the departure terminal is E and the boarding gate is E6. Gate assignments can change at short notice—confirm on airport screens before heading to security.What route does flight ua644 fly?
Flight ua644 is operated by United Airlines from Dallas (DFW) to Portland (PDX). Typical flight time is about 6 hours21 minutes; operating days may include Sunday.How can I check real-time status for flight ua644?
Track flight ua644 on this Trip.com status page for live departure, arrival, gate and baggage updates. For push alerts on the go, open the same flight in the Trip.com App and turn on flight notifications.If flight ua644 is delayed or canceled, what should I do?
If ua644 is delayed or canceled, first confirm the latest status here (Scheduled, updated Sep 20, 2026). Contact United Airlines or your booking channel for rebooking or refund options, and check Trip.com Manage Booking if you booked on Trip.com.Has flight ua644 departed from Dallas?
Flight ua644 has not departed from Dallas (DFW) yet and is currently on schedule for 8:53 AM.
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Arrival Info: Portland Weather & Current Time
Intermittent clouds
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12°C - 26°C
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-2 hour time difference
Time on arrival: Dallas 15:14| Portland 13:14
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