ON TIMEBOARD
Delta Air Lines / ATL → MCO

DL 1742 on time

Delta Air Lines 1742: Atlanta to Orlando at 4:00 p.m.; Orlando to Atlanta at 6:30 p.m. (past 12 months). Figures below the title are for ATL → MCO, its busiest leg

On time
54%
364 flights · likely 49–59%
Cancelled
1.4%
of scheduled flights
Typical arrival
+8 min
median vs schedule
When late
+67 min
average delay
Similar flights
54%
DL, same route & hour

About 1 in 2 DL 1742 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (46%); 1.4% were cancelled. The typical flight landed 8 minutes late.

DL 1742: ATL → MCO

Scheduled to leave Atlanta at 4:00 p.m. local time. Over the past year it arrived on time 54% of the time (364 flights), in line with other DL flights on the route at that hour (54%). Last seen in the data Aug 31, 2026.

Month by month

30%65%100%Sep 2025: 70% on time (30 flights)70SepOct 2025: 52% on time (31 flights)52OctNov 2025: 70% on time (30 flights)70NovDec 2025: 67% on time (30 flights)67DecJan 2026: 45% on time (31 flights)45JanFeb 2026: 54% on time (28 flights)54FebMar 2026: 48% on time (31 flights)48MarApr 2026: 53% on time (30 flights)53AprMay 2026: 55% on time (31 flights)55MayJun 2026: 60% on time (30 flights)60JunJul 2026: 35% on time (31 flights)35JulAug 2026: 45% on time (31 flights)45Aug

By day of week

DayFlightsOn time
Monday5368%
Tuesday5256%
Wednesday5271%
Thursday5248%
Friday5258%
Saturday5137%
Sunday5242%

Why it was late

Air traffic & airport (NAS) 41%Airline (crew, maintenance, ops) 34%Late inbound plane 19%Severe weather 5%

All flights ATL → MCO · Connecting off DL 1742? Check the risk

DL 1742: MCO → ATL

Scheduled to leave Orlando at 6:30 p.m. local time. Over the past year it arrived on time 54% of the time (239 flights), worse than other DL flights on the route at that hour (58%). Last seen in the data Aug 31, 2026.

Month by month

10%55%100%Jun 2025: 23% on time (30 flights)23JunJul 2025: 50% on time (30 flights)50JulAug 2025: too few flights (10 flights)AugDec 2025: too few flights (11 flights)DecJan 2026: 55% on time (29 flights)55JanFeb 2026: 64% on time (22 flights)64FebMar 2026: 60% on time (30 flights)60MarApr 2026: 63% on time (30 flights)63AprMay 2026: 55% on time (31 flights)55MayJun 2026: 63% on time (27 flights)63JunJul 2026: 21% on time (28 flights)21JulAug 2026: 48% on time (31 flights)48Aug

By day of week

DayFlightsOn time
Monday3667%
Tuesday3554%
Wednesday3566%
Thursday3560%
Friday3546%
Saturday2948%
Sunday3438%

Why it was late

Late inbound plane 59%Airline (crew, maintenance, ops) 20%Air traffic & airport (NAS) 18%Severe weather 3%

All flights MCO → ATL · Connecting off DL 1742? Check the risk

Questions

How often is DL 1742 from ATL to MCO late?

Delta Air Lines 1742 from Atlanta, GA to Orlando, FL arrived 15 or more minutes late, was diverted or was cancelled on 46% of 364 scheduled flights between September 2025 and August 2026. 1.4% were cancelled.

How often is DL 1742 from MCO to ATL late?

Delta Air Lines 1742 from Orlando, FL to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 46% of 239 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.