About 1 in 8 DL 2551 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (13%); 0.3% were cancelled. The typical flight landed 14 minutes early.
DL 2551: LAX → PDX
Scheduled to leave Los Angeles at 2:19 p.m. local time. Over the past year it arrived on time 87% of the time (349 flights), in line with other DL flights on the route at that hour (87%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 51 | 88% |
| Tuesday | 50 | 84% |
| Wednesday | 50 | 94% |
| Thursday | 50 | 90% |
| Friday | 50 | 84% |
| Saturday | 49 | 84% |
| Sunday | 49 | 84% |
Why it was late
All flights LAX → PDX · Connecting off DL 2551? Check the risk
DL 2551: PDX → LAX
Scheduled to leave Portland at 5:37 p.m. local time. Over the past year it arrived on time 88% of the time (347 flights), in line with other DL flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 51 | 88% |
| Tuesday | 50 | 86% |
| Wednesday | 50 | 94% |
| Thursday | 50 | 90% |
| Friday | 50 | 84% |
| Saturday | 47 | 91% |
| Sunday | 49 | 86% |
Why it was late
All flights PDX → LAX · Connecting off DL 2551? Check the risk
Questions
How often is DL 2551 from LAX to PDX late?
Delta Air Lines 2551 from Los Angeles, CA to Portland, OR arrived 15 or more minutes late, was diverted or was cancelled on 13% of 349 scheduled flights between September 2025 and August 2026. 0.3% were cancelled.
How often is DL 2551 from PDX to LAX late?
Delta Air Lines 2551 from Portland, OR to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 12% of 347 scheduled flights between September 2025 and August 2026. 0.3% 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 Delta Air Lines for today's flight. Method.