ON TIMEBOARD

DL 1227 on time

Delta Air Lines 1227: Atlanta to Tampa at 8:25 a.m.; Tampa to Atlanta at 11:01 a.m. (past 12 months). Figures below the title are for ATL → TPA, its busiest leg

On time
89%
365 flights · likely 85–92%
Cancelled
1.6%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+54 min
average delay
Similar flights
89%
DL, same route & hour

About 1 in 9 DL 1227 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (11%); 1.6% were cancelled. The typical flight landed 8 minutes early.

DL 1227: ATL → TPA

Scheduled to leave Atlanta at 8:25 a.m. local time. Over the past year it arrived on time 89% of the time (365 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: 90% on time (30 flights)90SepOct 2025: 94% on time (31 flights)94OctNov 2025: 83% on time (30 flights)83NovDec 2025: 87% on time (31 flights)87DecJan 2026: 90% on time (31 flights)90JanFeb 2026: 93% on time (28 flights)93FebMar 2026: 81% on time (31 flights)81MarApr 2026: 83% on time (30 flights)83AprMay 2026: 90% on time (31 flights)90MayJun 2026: 97% on time (30 flights)97JunJul 2026: 87% on time (31 flights)87JulAug 2026: 94% on time (31 flights)94Aug

By day of week

DayFlightsOn time
Monday5389%
Tuesday5292%
Wednesday5292%
Thursday5294%
Friday5285%
Saturday5285%
Sunday5287%

Why it was late

Airline (crew, maintenance, ops) 76%Air traffic & airport (NAS) 13%Late inbound plane 10%

All flights ATL → TPA · Connecting off DL 1227? Check the risk

DL 1227: TPA → ATL

Scheduled to leave Tampa at 11:01 a.m. local time. Over the past year it arrived on time 85% of the time (365 flights), in line with other DL flights on the route at that hour (85%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: 94% on time (31 flights)94OctNov 2025: 87% on time (30 flights)87NovDec 2025: 81% on time (31 flights)81DecJan 2026: 77% on time (31 flights)77JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 77% on time (31 flights)77MarApr 2026: 87% on time (30 flights)87AprMay 2026: 87% on time (31 flights)87MayJun 2026: 97% on time (30 flights)97JunJul 2026: 81% on time (31 flights)81JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday5385%
Tuesday5292%
Wednesday5285%
Thursday5287%
Friday5287%
Saturday5279%
Sunday5281%

Why it was late

Late inbound plane 54%Air traffic & airport (NAS) 26%Airline (crew, maintenance, ops) 20%

All flights TPA → ATL · Connecting off DL 1227? Check the risk

Questions

How often is DL 1227 from ATL to TPA late?

Delta Air Lines 1227 from Atlanta, GA to Tampa, FL arrived 15 or more minutes late, was diverted or was cancelled on 11% of 365 scheduled flights between September 2025 and August 2026. 1.6% were cancelled.

How often is DL 1227 from TPA to ATL late?

Delta Air Lines 1227 from Tampa, FL to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 15% of 365 scheduled flights between September 2025 and August 2026. 1.6% 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.