About 1 in 7 DL 1423 flights from Salt Lake City arrived 15+ minutes late, diverted or cancelled over the past year (15%); 0.3% were cancelled. The typical flight landed 9 minutes early.
DL 1423: SLC → SMF
Scheduled to leave Salt Lake City at 11:15 a.m. local time. Over the past year it arrived on time 85% of the time (358 flights), in line with other DL flights on the route at that hour (85%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 74% |
| Tuesday | 52 | 90% |
| Wednesday | 48 | 81% |
| Thursday | 52 | 92% |
| Friday | 52 | 88% |
| Saturday | 49 | 80% |
| Sunday | 52 | 88% |
Why it was late
All flights SLC → SMF · Connecting off DL 1423? Check the risk
DL 1423: SMF → SLC
Scheduled to leave Sacramento at 1:05 p.m. local time. Over the past year it arrived on time 86% of the time (358 flights), in line with other DL flights on the route at that hour (86%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 79% |
| Tuesday | 52 | 88% |
| Wednesday | 48 | 81% |
| Thursday | 52 | 94% |
| Friday | 52 | 88% |
| Saturday | 49 | 80% |
| Sunday | 52 | 88% |
Why it was late
All flights SMF → SLC · Connecting off DL 1423? Check the risk
Questions
How often is DL 1423 from SLC to SMF late?
Delta Air Lines 1423 from Salt Lake City, UT to Sacramento, CA arrived 15 or more minutes late, was diverted or was cancelled on 15% of 358 scheduled flights between September 2025 and August 2026. 0.3% were cancelled.
How often is DL 1423 from SMF to SLC late?
Delta Air Lines 1423 from Sacramento, CA to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 14% of 358 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.