ON TIMEBOARD

DL 2544 on time

Delta Air Lines 2544: Denver to Salt Lake City at 5:30 a.m. (past 12 months)

On time
88%
274 flights · likely 83–91%
Cancelled
0.4%
of scheduled flights
Typical arrival
−12 min
median vs schedule
When late
+118 min
average delay
Similar flights
88%
DL, same route & hour

About 1 in 8 DL 2544 flights from Denver arrived 15+ minutes late, diverted or cancelled over the past year (12%); 0.4% were cancelled. The typical flight landed 12 minutes early.

DL 2544: DEN → SLC

Scheduled to leave Denver at 5:30 a.m. local time. Over the past year it arrived on time 88% of the time (274 flights), in line with other DL flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 89% on time (18 flights)89SepOct 2025: 87% on time (23 flights)87OctNov 2025: 94% on time (17 flights)94NovDec 2025: 90% on time (21 flights)90DecJan 2026: too few flights (11 flights)JanFeb 2026: 94% on time (16 flights)94FebMar 2026: 96% on time (24 flights)96MarApr 2026: 77% on time (26 flights)77AprMay 2026: 90% on time (30 flights)90MayJun 2026: 90% on time (30 flights)90JunJul 2026: 87% on time (31 flights)87JulAug 2026: 85% on time (27 flights)85Aug

By day of week

DayFlightsOn time
Monday4787%
Tuesday4295%
Wednesday35100%
Thursday4188%
Friday4580%
Saturday4877%
Sunday16—

Why it was late

Airline (crew, maintenance, ops) 69%Late inbound plane 16%Severe weather 8%Air traffic & airport (NAS) 7%

All flights DEN → SLC · Connecting off DL 2544? Check the risk

Questions

How often is DL 2544 from DEN to SLC late?

Delta Air Lines 2544 from Denver, CO to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 12% of 274 scheduled flights between September 2025 and August 2026. 0.4% 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.