ON TIMEBOARD

DL 3171 on time

Delta Air Lines 3171: Atlanta to Huntsville at 7:00 p.m. (past 12 months)

On time
76%
199 flights · likely 69–81%
Cancelled
2.0%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+65 min
average delay
Similar flights
78%
DL, same route & hour

About 1 in 4 DL 3171 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (24%); 2.0% were cancelled. The typical flight landed 8 minutes early.

DL 3171: ATL → HSV

Scheduled to leave Atlanta at 7:00 p.m. local time. Over the past year it arrived on time 76% of the time (199 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%Mar 2025: 78% on time (23 flights)78MarApr 2025: 80% on time (30 flights)80AprMay 2025: 50% on time (18 flights)50MayJun 2025: too few flights (4 flights)JunJan 2026: too few flights (13 flights)JanFeb 2026: too few flights (11 flights)FebMar 2026: 71% on time (24 flights)71MarApr 2026: 83% on time (30 flights)83AprMay 2026: 83% on time (30 flights)83MayJun 2026: 87% on time (30 flights)87JunJul 2026: 53% on time (30 flights)53JulAug 2026: 77% on time (31 flights)77Aug

By day of week

DayFlightsOn time
Monday3063%
Tuesday2990%
Wednesday2979%
Thursday2879%
Friday2871%
Saturday2781%
Sunday2868%

Why it was late

Late inbound plane 45%Airline (crew, maintenance, ops) 34%Severe weather 12%Air traffic & airport (NAS) 10%

All flights ATL → HSV · Connecting off DL 3171? Check the risk

Questions

How often is DL 3171 from ATL to HSV late?

Delta Air Lines 3171 from Atlanta, GA to Huntsville, AL arrived 15 or more minutes late, was diverted or was cancelled on 24% of 199 scheduled flights between September 2025 and August 2026. 2.0% 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.