ON TIMEBOARD
Delta Air Lines / SLC → LAS

DL 1672 on time

Delta Air Lines 1672: Salt Lake City to Las Vegas at 3:45 p.m.; Las Vegas to Salt Lake City at 5:00 p.m. (past 12 months). Figures below the title are for SLC → LAS, its busiest leg

On time
72%
365 flights · likely 67–76%
Cancelled
1.1%
of scheduled flights
Typical arrival
0 min
median vs schedule
When late
+62 min
average delay
Similar flights
72%
DL, same route & hour

About 1 in 4 DL 1672 flights from Salt Lake City arrived 15+ minutes late, diverted or cancelled over the past year (28%); 1.1% were cancelled. The typical flight landed 0 minutes early.

DL 1672: SLC → LAS

Scheduled to leave Salt Lake City at 3:45 p.m. local time. Over the past year it arrived on time 72% of the time (365 flights), in line with other DL flights on the route at that hour (72%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 57% on time (30 flights)57SepOct 2025: 71% on time (31 flights)71OctNov 2025: 80% on time (30 flights)80NovDec 2025: 77% on time (31 flights)77DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 68% on time (31 flights)68MarApr 2026: 80% on time (30 flights)80AprMay 2026: 77% on time (31 flights)77MayJun 2026: 77% on time (30 flights)77JunJul 2026: 65% on time (31 flights)65JulAug 2026: 55% on time (31 flights)55Aug

By day of week

DayFlightsOn time
Monday5374%
Tuesday5287%
Wednesday5277%
Thursday5271%
Friday5263%
Saturday5275%
Sunday5258%

Why it was late

Air traffic & airport (NAS) 40%Airline (crew, maintenance, ops) 39%Late inbound plane 18%Severe weather 3%

All flights SLC → LAS · Connecting off DL 1672? Check the risk

DL 1672: LAS → SLC

Scheduled to leave Las Vegas at 5:00 p.m. local time. Over the past year it arrived on time 74% of the time (314 flights), in line with other DL flights on the route at that hour (73%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 50% on time (30 flights)50SepOct 2025: 78% on time (27 flights)78OctNov 2025: 78% on time (23 flights)78NovDec 2025: 74% on time (19 flights)74DecJan 2026: 96% on time (27 flights)96JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 81% on time (31 flights)81MarApr 2026: too few flights (12 flights)AprMay 2026: 80% on time (25 flights)80MayJun 2026: 80% on time (30 flights)80JunJul 2026: 68% on time (31 flights)68JulAug 2026: 52% on time (31 flights)52Aug

By day of week

DayFlightsOn time
Monday4680%
Tuesday4484%
Wednesday4468%
Thursday4475%
Friday4573%
Saturday4680%
Sunday4558%

Why it was late

Late inbound plane 67%Airline (crew, maintenance, ops) 19%Air traffic & airport (NAS) 14%

All flights LAS → SLC · Connecting off DL 1672? Check the risk

Questions

How often is DL 1672 from SLC to LAS late?

Delta Air Lines 1672 from Salt Lake City, UT to Las Vegas, NV arrived 15 or more minutes late, was diverted or was cancelled on 28% of 365 scheduled flights between September 2025 and August 2026. 1.1% were cancelled.

How often is DL 1672 from LAS to SLC late?

Delta Air Lines 1672 from Las Vegas, NV to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 26% of 314 scheduled flights between September 2025 and August 2026. 1.3% 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.