ON TIMEBOARD

DL 1525 on time

Delta Air Lines 1525: Atlanta to Tampa at 12:22 p.m.; Tampa to Atlanta at 3:05 p.m. (past 12 months). Figures below the title are for ATL → TPA, its busiest leg

On time
78%
351 flights · likely 73–82%
Cancelled
0.3%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+66 min
average delay
Similar flights
78%
DL, same route & hour

About 1 in 5 DL 1525 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (22%); 0.3% were cancelled. The typical flight landed 3 minutes early.

DL 1525: ATL → TPA

Scheduled to leave Atlanta at 12:22 p.m. local time. Over the past year it arrived on time 78% of the time (351 flights), in line with other DL flights on the route at that hour (78%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: 71% on time (31 flights)71OctNov 2025: 80% on time (30 flights)80NovDec 2025: 83% on time (29 flights)83DecJan 2026: 73% on time (30 flights)73JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 87% on time (31 flights)87MarApr 2026: 90% on time (30 flights)90AprMay 2026: 72% on time (29 flights)72MayJun 2026: 73% on time (26 flights)73JunJul 2026: 67% on time (27 flights)67JulAug 2026: 77% on time (30 flights)77Aug

By day of week

DayFlightsOn time
Monday5375%
Tuesday5281%
Wednesday5283%
Thursday5290%
Friday5273%
Saturday3979%
Sunday5165%

Why it was late

Airline (crew, maintenance, ops) 63%Air traffic & airport (NAS) 25%Late inbound plane 11%Severe weather 1%

All flights ATL → TPA · Connecting off DL 1525? Check the risk

DL 1525: TPA → ATL

Scheduled to leave Tampa at 3:05 p.m. local time. Over the past year it arrived on time 72% of the time (289 flights), in line with other DL flights on the route at that hour (74%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Aug 2025: 66% on time (29 flights)66AugSep 2025: 87% on time (30 flights)87SepOct 2025: 68% on time (31 flights)68OctNov 2025: 73% on time (30 flights)73NovDec 2025: 74% on time (27 flights)74DecJan 2026: 77% on time (30 flights)77JanFeb 2026: 79% on time (28 flights)79FebMar 2026: too few flights (7 flights)MarMay 2026: 70% on time (23 flights)70MayJun 2026: 69% on time (26 flights)69JunJul 2026: 48% on time (27 flights)48JulAug 2026: 67% on time (30 flights)67Aug

By day of week

DayFlightsOn time
Monday4464%
Tuesday4377%
Wednesday4178%
Thursday4480%
Friday4468%
Saturday3171%
Sunday4267%

Why it was late

Late inbound plane 51%Air traffic & airport (NAS) 30%Airline (crew, maintenance, ops) 19%Severe weather 1%

All flights TPA → ATL · Connecting off DL 1525? Check the risk

Questions

How often is DL 1525 from ATL to TPA late?

Delta Air Lines 1525 from Atlanta, GA to Tampa, FL arrived 15 or more minutes late, was diverted or was cancelled on 22% of 351 scheduled flights between September 2025 and August 2026. 0.3% were cancelled.

How often is DL 1525 from TPA to ATL late?

Delta Air Lines 1525 from Tampa, FL to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 28% of 289 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.