About 1 in 8 DL 1614 flights from Salt Lake City arrived 15+ minutes late, diverted or cancelled over the past year (12%); 0.6% were cancelled. The typical flight landed 9 minutes early.
DL 1614: SLC → ONT
Scheduled to leave Salt Lake City at 10:59 p.m. local time. Over the past year it arrived on time 88% 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.
Usually Delta Air Lines's last flight of the day from Salt Lake City to Ontario (100% of days). Delta Air Lines's last SLC–ONT flight was cancelled 0.5% of the time, against 0.9% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 8:01 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 51 | 86% |
| Tuesday | 50 | 90% |
| Wednesday | 50 | 90% |
| Thursday | 50 | 92% |
| Friday | 50 | 90% |
| Saturday | 49 | 80% |
| Sunday | 49 | 88% |
Why it was late
All flights SLC → ONT · Connecting off DL 1614? Check the risk
Questions
How often is DL 1614 from SLC to ONT late?
Delta Air Lines 1614 from Salt Lake City, UT to Ontario, CA arrived 15 or more minutes late, was diverted or was cancelled on 12% of 349 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.