About 1 in 6 AS 646 flights from Dallas arrived 15+ minutes late, diverted or cancelled over the past year (17%); 0.9% were cancelled. The typical flight landed 8 minutes early.
AS 646: DFW → PDX
Scheduled to leave Dallas at 5:45 p.m. local time. Over the past year it arrived on time 83% of the time (345 flights), in line with other AS flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 87% |
| Tuesday | 52 | 83% |
| Wednesday | 46 | 78% |
| Thursday | 51 | 92% |
| Friday | 51 | 84% |
| Saturday | 40 | 85% |
| Sunday | 52 | 75% |
Why it was late
All flights DFW → PDX · Connecting off AS 646? Check the risk
Questions
How often is AS 646 from DFW to PDX late?
Alaska Airlines 646 from Dallas/Fort Worth, TX to Portland, OR arrived 15 or more minutes late, was diverted or was cancelled on 17% of 345 scheduled flights between September 2025 and August 2026. 0.9% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Alaska Airlines for today's flight. Method.