ON TIMEBOARD

DL 1291 on time

Delta Air Lines 1291: Dallas to Salt Lake City at 8:10 a.m. (past 12 months)

On time
88%
365 flights · likely 84–91%
Cancelled
1.6%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+113 min
average delay
Similar flights
90%
DL, same route & hour

About 1 in 8 DL 1291 flights from Dallas arrived 15+ minutes late, diverted or cancelled over the past year (12%); 1.6% were cancelled. The typical flight landed 11 minutes early.

DL 1291: DFW → SLC

Scheduled to leave Dallas at 8:10 a.m. local time. Over the past year it arrived on time 88% of the time (365 flights), in line with other DL flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 94% on time (31 flights)94OctNov 2025: 93% on time (30 flights)93NovDec 2025: 84% on time (31 flights)84DecJan 2026: 87% on time (31 flights)87JanFeb 2026: 93% on time (28 flights)93FebMar 2026: 77% on time (31 flights)77MarApr 2026: 93% on time (30 flights)93AprMay 2026: 87% on time (31 flights)87MayJun 2026: 80% on time (30 flights)80JunJul 2026: 94% on time (31 flights)94JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday5387%
Tuesday5294%
Wednesday5287%
Thursday5294%
Friday5285%
Saturday5285%
Sunday5285%

Why it was late

Airline (crew, maintenance, ops) 70%Late inbound plane 16%Air traffic & airport (NAS) 7%Severe weather 6%

All flights DFW → SLC · Connecting off DL 1291? Check the risk

Questions

How often is DL 1291 from DFW to SLC late?

Delta Air Lines 1291 from Dallas/Fort Worth, TX to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 12% of 365 scheduled flights between September 2025 and August 2026. 1.6% 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.