ON TIMEBOARD

DL 1691 on time

Delta Air Lines 1691: Orlando to Salt Lake City at 7:00 p.m. (past 12 months)

On time
77%
162 flights · likely 69–82%
Cancelled
0.0%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+79 min
average delay
Similar flights
80%
DL, same route & hour

About 1 in 4 DL 1691 flights from Orlando arrived 15+ minutes late, diverted or cancelled over the past year (23%); 0.0% were cancelled. The typical flight landed 3 minutes early.

DL 1691: MCO → SLC

Scheduled to leave Orlando at 7:00 p.m. local time. Over the past year it arrived on time 77% of the time (162 flights), worse than other DL flights on the route at that hour (80%). Last seen in the data Aug 2, 2026.

Usually Delta Air Lines's last flight of the day from Orlando to Salt Lake City (100% of days). Delta Air Lines's last MCO–SLC flight was cancelled 0.3% of the time, against 0.9% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 7:15 a.m. the next morning.

Month by month

40%70%100%May 2025: 53% on time (19 flights)53MayJun 2025: 56% on time (27 flights)56JunJul 2025: 54% on time (28 flights)54JulAug 2025: too few flights (9 flights)AugJan 2026: 79% on time (24 flights)79JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 81% on time (31 flights)81MarApr 2026: 87% on time (30 flights)87AprMay 2026: too few flights (6 flights)MayJun 2026: too few flights (14 flights)JunJul 2026: 59% on time (27 flights)59JulAug 2026: too few flights (2 flights)Aug

By day of week

DayFlightsOn time
Monday2576%
Tuesday2273%
Wednesday2277%
Thursday2492%
Friday2488%
Saturday2176%
Sunday2454%

Why it was late

Late inbound plane 66%Airline (crew, maintenance, ops) 16%Air traffic & airport (NAS) 11%Severe weather 7%

All flights MCO → SLC · Connecting off DL 1691? Check the risk

Questions

How often is DL 1691 from MCO to SLC late?

Delta Air Lines 1691 from Orlando, FL to Salt Lake City, UT arrived 15 or more minutes late, was diverted or was cancelled on 23% of 162 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.