ON TIMEBOARD

DL 920 on time

Delta Air Lines 920: San Francisco to Salt Lake City at 9:55 a.m.; Salt Lake City to San Francisco at 7:45 a.m. (past 12 months). Figures below the title are for SFO → SLC, its busiest leg

On time
75%
361 flights · likely 70–79%
Cancelled
1.7%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+63 min
average delay
Similar flights
74%
DL, same route & hour

About 1 in 4 DL 920 flights from San Francisco arrived 15+ minutes late, diverted or cancelled over the past year (25%); 1.7% were cancelled. The typical flight landed 7 minutes early.

DL 920: SFO → SLC

Scheduled to leave San Francisco at 9:55 a.m. local time. Over the past year it arrived on time 75% of the time (361 flights), in line with other DL flights on the route at that hour (74%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 97% on time (30 flights)97SepOct 2025: 87% on time (31 flights)87OctNov 2025: 82% on time (28 flights)82NovDec 2025: 86% on time (29 flights)86DecJan 2026: 77% on time (31 flights)77JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 84% on time (31 flights)84MarApr 2026: 57% on time (30 flights)57AprMay 2026: 81% on time (31 flights)81MayJun 2026: 47% on time (30 flights)47JunJul 2026: 58% on time (31 flights)58JulAug 2026: 65% on time (31 flights)65Aug

By day of week

DayFlightsOn time
Monday5370%
Tuesday5283%
Wednesday5283%
Thursday5273%
Friday5269%
Saturday4871%
Sunday5275%

Why it was late

Late inbound plane 67%Airline (crew, maintenance, ops) 21%Air traffic & airport (NAS) 7%Security 4%

All flights SFO → SLC · Connecting off DL 920? Check the risk

DL 920: SLC → SFO

Scheduled to leave Salt Lake City at 7:45 a.m. local time. Over the past year it arrived on time 63% of the time (361 flights), in line with other DL flights on the route at that hour (61%). Last seen in the data Aug 31, 2026.

Month by month

20%60%100%Sep 2025: 77% on time (30 flights)77SepOct 2025: 74% on time (31 flights)74OctNov 2025: 75% on time (28 flights)75NovDec 2025: 79% on time (29 flights)79DecJan 2026: 81% on time (31 flights)81JanFeb 2026: 64% on time (28 flights)64FebMar 2026: 84% on time (31 flights)84MarApr 2026: 43% on time (30 flights)43AprMay 2026: 65% on time (31 flights)65MayJun 2026: 30% on time (30 flights)30JunJul 2026: 39% on time (31 flights)39JulAug 2026: 45% on time (31 flights)45Aug

By day of week

DayFlightsOn time
Monday5357%
Tuesday5262%
Wednesday5275%
Thursday5262%
Friday5258%
Saturday4863%
Sunday5265%

Why it was late

Air traffic & airport (NAS) 71%Airline (crew, maintenance, ops) 26%Late inbound plane 3%

All flights SLC → SFO · Connecting off DL 920? Check the risk

Questions

How often is DL 920 from SFO to SLC late?

Delta Air Lines 920 from San Francisco, CA to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 25% of 361 scheduled flights between September 2025 and August 2026. 1.7% were cancelled.

How often is DL 920 from SLC to SFO late?

Delta Air Lines 920 from Salt Lake City, UT to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 37% of 361 scheduled flights between September 2025 and August 2026. 1.7% 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.