United Airlines UA644 Flight Status
Based on Trip.com’s 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 08:53 (local time in Dallas, UTC-5) and land at 13:14 (local time in Portland, UTC-7) .
Sat, Sep 19
Sun, Sep 20
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Arrived
The flight has arrived 2m early
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
E9
Arrival Gate
E4
Baggage
9
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Information provided by VariFlight For the latest updates, please refer to airport announcements or consult your airline. You can also explore more flights from Dallas to Portland or track other flights with our flight status tracker.
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UA1565
|
San Diego (SAN) 
Dallas (DFW)
Dallas (DFW)Scheduled: 20:38
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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)
53%
Punctuality (Arrival)
97%
Early on average
8 minutes
Age
2y, 4m
Seats
200
Distance
--
Economy
First
Premium Economy
Onboard Amenities
None
Unknown
Wi-Fi is available
USB port and power outlet
Seating Plan
76 cm
Legroom
47 cm
Seat width better than on 100% of flights
100°
Reclining Angle
--
Seat layout example
Onboard Amenities
Snacks
Unknown
Wi-Fi is available
USB port and power outlet
Seating Plan
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
Onboard Amenities
Snacks
Unknown
Wi-Fi is available
USB port and power outlet
Seating Plan
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 09:06. This flight is expected to arrrive in PDX at 13:12.
| Date | Airport | Aircraft Type | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Departure | Arrival | |||||
| Tue, Sep 15 | Dallas (DFW) | Portland (PDX) | A21N | 09:57 | 13:06 | Arrived |
| Wed, Sep 16 | Dallas (DFW) | Portland (PDX) | A21N | 09:14 | 12:58 | Arrived |
| Thu, Sep 17 | Dallas (DFW) | Portland (PDX) | A21N | 09:06 | 13:06 | Arrived |
| Fri, Sep 18 | Dallas (DFW) | Portland (PDX) | A21N | 09:23 | 13:32 | Arrived |
| Sat, Sep 19 | Dallas (DFW) | Portland (PDX) | A21N | 09:06 | 13:12 | Arrived |
| Sun, Sep 20 | Dallas (DFW) | Portland (PDX) | A21N | 08:53 | 13:14 | 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 53% (Late on average 36 minutes), and the on-time arrival rate is 97% (Early on average 8 minutes).
On-Time Departures
Punctuality
53%
Late on average 36 minutes
Early
0%
On time
53%
30 mins late
30%
60 mins late
10%
90 mins late
7%
Cancelled
0%
On-Time Arrivals
Punctuality
97%
Early on average 8 minutes
Early
87%
On time
10%
30 mins late
3%
60 mins late
0%
90 mins late
0%
Cancelled
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 08:53, arrival 13:14 (updated Sep 20, 2026).Is flight ua644 on time today?
Flight ua644 has not departed yet and is currently on schedule. Scheduled departure is 08:53, with arrival at 13:14. 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 08:53. The latest actual or estimated departure time is 08:53, and the current status is Scheduled (updated Sep 20, 2026).When is flight ua644 scheduled to arrive?
Flight ua644 is scheduled to arrive at 13:14. The latest estimated or actual arrival time is 13:14. 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 E9. 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 08:53.
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Destination Info: Portland Weather & Time
Intermittent clouds
|
12°C - 26°C
Expected weather conditions upon arrival
-2 hour time difference
Time on arrival: Dallas 15:14| Portland 13:14
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