ON TIMEBOARD
Delta Air Lines / CMH → ATL

DL 1522 on time

Delta Air Lines 1522: Columbus to Atlanta at 12:48 p.m.; Atlanta to Columbus at 10:10 a.m. (past 12 months). Figures below the title are for CMH → ATL, its busiest leg

On time
86%
352 flights · likely 82–89%
Cancelled
1.7%
of scheduled flights
Typical arrival
−13 min
median vs schedule
When late
+123 min
average delay
Similar flights
83%
DL, same route & hour

About 1 in 7 DL 1522 flights from Columbus arrived 15+ minutes late, diverted or cancelled over the past year (14%); 1.7% were cancelled. The typical flight landed 13 minutes early.

DL 1522: CMH → ATL

Scheduled to leave Columbus at 12:48 p.m. local time. Over the past year it arrived on time 86% of the time (352 flights), in line with other DL flights on the route at that hour (83%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 100% on time (29 flights)100SepOct 2025: 97% on time (31 flights)97OctNov 2025: 78% on time (27 flights)78NovDec 2025: 69% on time (29 flights)69DecJan 2026: 70% on time (30 flights)70JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 87% on time (31 flights)87MarApr 2026: 93% on time (30 flights)93AprMay 2026: 100% on time (31 flights)100MayJun 2026: 85% on time (27 flights)85JunJul 2026: 71% on time (28 flights)71JulAug 2026: 90% on time (31 flights)90Aug

By day of week

DayFlightsOn time
Monday5275%
Tuesday5180%
Wednesday5192%
Thursday5096%
Friday4986%
Saturday4888%
Sunday5184%

Why it was late

Airline (crew, maintenance, ops) 53%Late inbound plane 40%Air traffic & airport (NAS) 6%Severe weather 1%

All flights CMH → ATL · Connecting off DL 1522? Check the risk

DL 1522: ATL → CMH

Scheduled to leave Atlanta at 10:10 a.m. local time. Over the past year it arrived on time 89% of the time (343 flights), in line with other DL flights on the route at that hour (89%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: 93% on time (27 flights)93OctNov 2025: 90% on time (21 flights)90NovDec 2025: 83% on time (29 flights)83DecJan 2026: 73% on time (30 flights)73JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 87% on time (31 flights)87MarApr 2026: 93% on time (30 flights)93AprMay 2026: 100% on time (31 flights)100MayJun 2026: 93% on time (27 flights)93JunJul 2026: 93% on time (28 flights)93JulAug 2026: 94% on time (31 flights)94Aug

By day of week

DayFlightsOn time
Monday5184%
Tuesday4986%
Wednesday4992%
Thursday4898%
Friday4890%
Saturday4888%
Sunday5088%

Why it was late

Airline (crew, maintenance, ops) 44%Late inbound plane 39%Air traffic & airport (NAS) 11%Severe weather 6%

All flights ATL → CMH · Connecting off DL 1522? Check the risk

Questions

How often is DL 1522 from CMH to ATL late?

Delta Air Lines 1522 from Columbus, OH to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 14% of 352 scheduled flights between September 2025 and August 2026. 1.7% were cancelled.

How often is DL 1522 from ATL to CMH late?

Delta Air Lines 1522 from Atlanta, GA to Columbus, OH arrived 15 or more minutes late, was diverted or was cancelled on 11% of 343 scheduled flights between September 2025 and August 2026. 1.8% 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.