ON TIMEBOARD
Delta Air Lines / ATL → BHM

DL 3163 on time

Delta Air Lines 3163: Atlanta to Birmingham at 3:42 p.m.; Birmingham to Atlanta at 4:20 p.m. (past 12 months). Figures below the title are for ATL → BHM, its busiest leg

On time
74%
171 flights · likely 67–80%
Cancelled
1.8%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+73 min
average delay
Similar flights
79%
DL, same route & hour

About 1 in 4 DL 3163 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (26%); 1.8% were cancelled. The typical flight landed 7 minutes early.

DL 3163: ATL → BHM

Scheduled to leave Atlanta at 3:42 p.m. local time. Over the past year it arrived on time 74% of the time (171 flights), worse than other DL flights on the route at that hour (79%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2025: 85% on time (27 flights)85MarApr 2025: 83% on time (30 flights)83AprMay 2025: 87% on time (31 flights)87MayJun 2025: too few flights (7 flights)JunDec 2025: too few flights (9 flights)DecJan 2026: too few flights (3 flights)JanMar 2026: 75% on time (24 flights)75MarApr 2026: 83% on time (30 flights)83AprMay 2026: 78% on time (27 flights)78MayJun 2026: 67% on time (24 flights)67JunJul 2026: 71% on time (24 flights)71JulAug 2026: 73% on time (30 flights)73Aug

By day of week

DayFlightsOn time
Monday2763%
Tuesday2677%
Wednesday2479%
Thursday2483%
Friday2665%
Saturday15—
Sunday2972%

Why it was late

Airline (crew, maintenance, ops) 42%Late inbound plane 38%Air traffic & airport (NAS) 17%Severe weather 3%

All flights ATL → BHM · Connecting off DL 3163? Check the risk

DL 3163: BHM → ATL

Scheduled to leave Birmingham at 4:20 p.m. local time. Over the past year it arrived on time 73% of the time (171 flights), worse than other DL flights on the route at that hour (79%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2025: 93% on time (27 flights)93MarApr 2025: 80% on time (30 flights)80AprMay 2025: 90% on time (31 flights)90MayJun 2025: too few flights (7 flights)JunDec 2025: too few flights (9 flights)DecJan 2026: too few flights (3 flights)JanMar 2026: 79% on time (24 flights)79MarApr 2026: 87% on time (30 flights)87AprMay 2026: 78% on time (27 flights)78MayJun 2026: 63% on time (24 flights)63JunJul 2026: 63% on time (24 flights)63JulAug 2026: 67% on time (30 flights)67Aug

By day of week

DayFlightsOn time
Monday2767%
Tuesday2677%
Wednesday2483%
Thursday2471%
Friday2662%
Saturday15—
Sunday2969%

Why it was late

Late inbound plane 62%Airline (crew, maintenance, ops) 21%Air traffic & airport (NAS) 15%Severe weather 1%

All flights BHM → ATL · Connecting off DL 3163? Check the risk

Questions

How often is DL 3163 from ATL to BHM late?

Delta Air Lines 3163 from Atlanta, GA to Birmingham, AL arrived 15 or more minutes late, was diverted or was cancelled on 26% of 171 scheduled flights between September 2025 and August 2026. 1.8% were cancelled.

How often is DL 3163 from BHM to ATL late?

Delta Air Lines 3163 from Birmingham, AL to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 27% of 171 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.