ON TIMEBOARD

DL 1500 on time

Delta Air Lines 1500: Cleveland to Atlanta at 10:15 a.m.; Atlanta to Cleveland at 7:25 a.m. (past 12 months). Figures below the title are for CLE → ATL, its busiest leg

On time
86%
254 flights · likely 81–90%
Cancelled
2.8%
of scheduled flights
Typical arrival
−14 min
median vs schedule
When late
+77 min
average delay
Similar flights
90%
DL, same route & hour

About 1 in 7 DL 1500 flights from Cleveland arrived 15+ minutes late, diverted or cancelled over the past year (14%); 2.8% were cancelled. The typical flight landed 14 minutes early.

DL 1500: CLE → ATL

Scheduled to leave Cleveland at 10:15 a.m. local time. Over the past year it arrived on time 86% of the time (254 flights), worse than 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: 88% on time (17 flights)88SepOct 2025: 100% on time (23 flights)100OctNov 2025: 83% on time (18 flights)83NovDec 2025: 79% on time (29 flights)79DecJan 2026: 76% on time (17 flights)76JanFeb 2026: too few flights (11 flights)FebMar 2026: 79% on time (24 flights)79MarApr 2026: 89% on time (28 flights)89AprMay 2026: too few flights (5 flights)MayJun 2026: 92% on time (24 flights)92JunJul 2026: 86% on time (28 flights)86JulAug 2026: 90% on time (30 flights)90Aug

By day of week

DayFlightsOn time
Monday4180%
Tuesday3982%
Wednesday3990%
Thursday3795%
Friday3789%
Saturday2090%
Sunday4180%

Why it was late

Late inbound plane 41%Airline (crew, maintenance, ops) 35%Severe weather 12%Air traffic & airport (NAS) 12%

All flights CLE → ATL · Connecting off DL 1500? Check the risk

DL 1500: ATL → CLE

Scheduled to leave Atlanta at 7:25 a.m. local time. Over the past year it arrived on time 90% of the time (163 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%Jan 2025: too few flights (5 flights)JanJun 2025: 94% on time (18 flights)94JunJul 2025: 96% on time (23 flights)96JulAug 2025: 95% on time (20 flights)95AugSep 2025: 90% on time (20 flights)90SepOct 2025: 100% on time (24 flights)100OctNov 2025: 83% on time (18 flights)83NovDec 2025: 79% on time (29 flights)79DecJan 2026: too few flights (4 flights)JanJun 2026: 94% on time (18 flights)94JunJul 2026: 92% on time (24 flights)92JulAug 2026: 88% on time (26 flights)88Aug

By day of week

DayFlightsOn time
Monday2778%
Tuesday2592%
Wednesday25100%
Thursday2596%
Friday2584%
Saturday8—
Sunday2889%

Why it was late

Airline (crew, maintenance, ops) 69%Severe weather 19%Air traffic & airport (NAS) 9%Late inbound plane 2%

All flights ATL → CLE · Connecting off DL 1500? Check the risk

Questions

How often is DL 1500 from CLE to ATL late?

Delta Air Lines 1500 from Cleveland, OH to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 14% of 254 scheduled flights between September 2025 and August 2026. 2.8% were cancelled.

How often is DL 1500 from ATL to CLE late?

Delta Air Lines 1500 from Atlanta, GA to Cleveland, OH arrived 15 or more minutes late, was diverted or was cancelled on 10% of 163 scheduled flights between September 2025 and August 2026. 2.5% 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.