ON TIMEBOARD

DL 1720 on time

Delta Air Lines 1720: Atlanta to Tampa at 1:25 p.m. (past 12 months)

On time
70%
357 flights · likely 65–74%
Cancelled
1.1%
of scheduled flights
Typical arrival
−2 min
median vs schedule
When late
+61 min
average delay
Similar flights
75%
DL, same route & hour

About 1 in 3 DL 1720 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (30%); 1.1% were cancelled. The typical flight landed 2 minutes early.

DL 1720: ATL → TPA

Scheduled to leave Atlanta at 1:25 p.m. local time. Over the past year it arrived on time 70% of the time (357 flights), worse than other DL flights on the route at that hour (75%). Last seen in the data Aug 31, 2026.

Month by month

20%60%100%Sep 2025: 83% on time (29 flights)83SepOct 2025: 73% on time (30 flights)73OctNov 2025: 83% on time (29 flights)83NovDec 2025: 57% on time (28 flights)57DecJan 2026: 83% on time (30 flights)83JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 84% on time (31 flights)84MarApr 2026: 83% on time (29 flights)83AprMay 2026: 74% on time (31 flights)74MayJun 2026: 73% on time (30 flights)73JunJul 2026: 35% on time (31 flights)35JulAug 2026: 29% on time (31 flights)29Aug

By day of week

DayFlightsOn time
Monday5370%
Tuesday5275%
Wednesday5080%
Thursday5070%
Friday4969%
Saturday5267%
Sunday5157%

Why it was late

Airline (crew, maintenance, ops) 50%Late inbound plane 29%Air traffic & airport (NAS) 17%Severe weather 5%

All flights ATL → TPA · Connecting off DL 1720? Check the risk

Questions

How often is DL 1720 from ATL to TPA late?

Delta Air Lines 1720 from Atlanta, GA to Tampa, FL arrived 15 or more minutes late, was diverted or was cancelled on 30% of 357 scheduled flights between September 2025 and August 2026. 1.1% 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.