ON TIMEBOARD

DL 1373 on time

Delta Air Lines 1373: Salt Lake City to Portland at 10:50 p.m. (past 12 months)

On time
86%
348 flights · likely 82–89%
Cancelled
0.0%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+41 min
average delay
Similar flights
88%
DL, same route & hour

About 1 in 7 DL 1373 flights from Salt Lake City arrived 15+ minutes late, diverted or cancelled over the past year (14%); 0.0% were cancelled. The typical flight landed 7 minutes early.

DL 1373: SLC → PDX

Scheduled to leave Salt Lake City at 10:50 p.m. local time. Over the past year it arrived on time 86% of the time (348 flights), in line with other DL flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Salt Lake City to Portland (100% of days). Delta Air Lines's last SLC–PDX flight was cancelled 0.0% of the time, against 1.8% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 7:45 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 90% on time (31 flights)90OctNov 2025: 79% on time (29 flights)79NovDec 2025: 95% on time (19 flights)95DecJan 2026: 85% on time (27 flights)85JanFeb 2026: 93% on time (28 flights)93FebMar 2026: 90% on time (31 flights)90MarApr 2026: 97% on time (30 flights)97AprMay 2026: 87% on time (31 flights)87MayJun 2026: 77% on time (30 flights)77JunJul 2026: 81% on time (31 flights)81JulAug 2026: 71% on time (31 flights)71Aug

By day of week

DayFlightsOn time
Monday5182%
Tuesday5098%
Wednesday5090%
Thursday4988%
Friday5088%
Saturday4980%
Sunday4978%

Why it was late

Airline (crew, maintenance, ops) 70%Late inbound plane 19%Air traffic & airport (NAS) 11%

All flights SLC → PDX · Connecting off DL 1373? Check the risk

Questions

How often is DL 1373 from SLC to PDX late?

Delta Air Lines 1373 from Salt Lake City, UT to Portland, OR arrived 15 or more minutes late, was diverted or was cancelled on 14% of 348 scheduled flights between September 2025 and August 2026. 0.0% 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.