ON TIMEBOARD

DL 3115 on time

Delta Air Lines 3115: Atlanta to Sarasota at 5:15 p.m.; Sarasota to Atlanta at 5:20 p.m. (past 12 months). Figures below the title are for ATL → SRQ, its busiest leg

On time
77%
322 flights · likely 72–81%
Cancelled
1.2%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+54 min
average delay
Similar flights
75%
DL, same route & hour

About 1 in 4 DL 3115 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (23%); 1.2% were cancelled. The typical flight landed 3 minutes early.

DL 3115: ATL → SRQ

Scheduled to leave Atlanta at 5:15 p.m. local time. Over the past year it arrived on time 77% of the time (322 flights), in line with other DL flights on the route at that hour (75%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: too few flights (12 flights)SepOct 2025: 83% on time (29 flights)83OctNov 2025: 80% on time (30 flights)80NovDec 2025: 90% on time (31 flights)90DecJan 2026: 81% on time (31 flights)81JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 71% on time (31 flights)71MarApr 2026: 86% on time (28 flights)86AprMay 2026: 90% on time (30 flights)90MayJun 2026: 77% on time (30 flights)77JunJul 2026: 50% on time (28 flights)50JulAug 2026: too few flights (14 flights)Aug

By day of week

DayFlightsOn time
Monday4770%
Tuesday4779%
Wednesday4785%
Thursday4779%
Friday4781%
Saturday4078%
Sunday4768%

Why it was late

Airline (crew, maintenance, ops) 41%Late inbound plane 30%Air traffic & airport (NAS) 24%Severe weather 3%Security 2%

All flights ATL → SRQ · Connecting off DL 3115? Check the risk

DL 3115: SRQ → ATL

Scheduled to leave Sarasota at 5:20 p.m. local time. Over the past year it arrived on time 78% of the time (259 flights), worse than other DL flights on the route at that hour (84%). Last seen in the data Aug 2, 2026.

Usually Delta Air Lines's last flight of the day from Sarasota to Atlanta (73% of days). Delta Air Lines's last SRQ–ATL flight was cancelled 1.1% of the time, against 1.8% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 6:00 a.m. the next morning.

Month by month

40%70%100%Sep 2025: too few flights (12 flights)SepOct 2025: 81% on time (16 flights)81OctNov 2025: 78% on time (18 flights)78NovDec 2025: 81% on time (27 flights)81DecJan 2026: 84% on time (31 flights)84JanFeb 2026: 86% on time (28 flights)86FebMar 2026: 76% on time (21 flights)76MarApr 2026: 91% on time (23 flights)91AprMay 2026: 67% on time (30 flights)67MayJun 2026: 83% on time (24 flights)83JunJul 2026: 61% on time (28 flights)61JulAug 2026: too few flights (1 flights)Aug

By day of week

DayFlightsOn time
Monday4571%
Tuesday3080%
Wednesday3090%
Thursday4386%
Friday4379%
Saturday2282%
Sunday4665%

Why it was late

Late inbound plane 60%Air traffic & airport (NAS) 21%Airline (crew, maintenance, ops) 15%Severe weather 4%

All flights SRQ → ATL · Connecting off DL 3115? Check the risk

Questions

How often is DL 3115 from ATL to SRQ late?

Delta Air Lines 3115 from Atlanta, GA to Sarasota/Bradenton, FL arrived 15 or more minutes late, was diverted or was cancelled on 23% of 322 scheduled flights between September 2025 and August 2026. 1.2% were cancelled.

How often is DL 3115 from SRQ to ATL late?

Delta Air Lines 3115 from Sarasota/Bradenton, FL to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 22% of 259 scheduled flights between September 2025 and August 2026. 1.5% 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.