About 1 in 20 DL 1645 flights from Pasco arrived 15+ minutes late, diverted or cancelled over the past year (5%); 0.6% were cancelled. The typical flight landed 11 minutes early.
DL 1645: PSC → SLC
Scheduled to leave Pasco at 6:00 a.m. local time. Over the past year it arrived on time 95% of the time (177 flights), in line with other DL flights on the route at that hour (95%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 26 | 92% |
| Tuesday | 25 | 96% |
| Wednesday | 25 | 100% |
| Thursday | 25 | 96% |
| Friday | 25 | 96% |
| Saturday | 25 | 84% |
| Sunday | 26 | 100% |
Why it was late
All flights PSC → SLC · Connecting off DL 1645? Check the risk
Questions
How often is DL 1645 from PSC to SLC late?
Delta Air Lines 1645 from Pasco/Kennewick/Richland, WA to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 5% of 177 scheduled flights between September 2025 and August 2026. 0.6% 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.