ON TIMEBOARD

DL 3945 on time

Delta Air Lines 3945: Nashville to Austin at 5:00 p.m.; Austin to Nashville at 3:34 p.m. (past 12 months). Figures below the title are for BNA → AUS, its busiest leg

On time
76%
171 flights · likely 69–82%
Cancelled
0.6%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+108 min
average delay
Similar flights
74%
DL, same route & hour

About 1 in 4 DL 3945 flights from Nashville arrived 15+ minutes late, diverted or cancelled over the past year (24%); 0.6% were cancelled. The typical flight landed 10 minutes early.

DL 3945: BNA → AUS

Scheduled to leave Nashville at 5:00 p.m. local time, operated by SkyWest as OO 3945. Over the past year it arrived on time 76% of the time (171 flights), in line with other DL flights on the route at that hour (74%). Last seen in the data Aug 30, 2026.

Usually Delta Air Lines's last flight of the day from Nashville to Austin (100% of days). Delta Air Lines's last BNA–AUS flight was cancelled 0.3% of the time, against 0.6% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 7:05 a.m. the next morning.

Month by month

40%70%100%Mar 2025: 74% on time (27 flights)74MarApr 2025: 62% on time (26 flights)62AprMay 2025: 56% on time (25 flights)56MayJun 2025: too few flights (6 flights)JunJan 2026: 73% on time (22 flights)73JanFeb 2026: 86% on time (22 flights)86FebMar 2026: 74% on time (27 flights)74MarApr 2026: 77% on time (22 flights)77AprMay 2026: too few flights (5 flights)MayJun 2026: 67% on time (21 flights)67JunJul 2026: 67% on time (27 flights)67JulAug 2026: 84% on time (25 flights)84Aug

By day of week

DayFlightsOn time
Monday3077%
Tuesday3077%
Wednesday2986%
Thursday2770%
Friday2979%
Sunday2665%

Why it was late

Airline (crew, maintenance, ops) 70%Severe weather 22%Air traffic & airport (NAS) 8%

All flights BNA → AUS · Connecting off DL 3945? Check the risk

DL 3945: AUS → BNA

Scheduled to leave Austin at 3:34 p.m. local time, operated by SkyWest as OO 3945. Over the past year it arrived on time 64% of the time (126 flights), worse than other DL flights on the route at that hour (75%). Last seen in the data Aug 30, 2026.

Month by month

40%70%100%Jan 2025: too few flights (9 flights)JanFeb 2025: too few flights (6 flights)FebMar 2025: too few flights (2 flights)MarJun 2025: too few flights (5 flights)JunJul 2025: too few flights (8 flights)JulAug 2025: too few flights (2 flights)AugFeb 2026: too few flights (14 flights)FebMar 2026: 60% on time (30 flights)60MarApr 2026: too few flights (9 flights)AprJun 2026: 62% on time (21 flights)62JunJul 2026: 52% on time (27 flights)52JulAug 2026: 80% on time (25 flights)80Aug

By day of week

DayFlightsOn time
Monday2075%
Tuesday2055%
Wednesday19—
Thursday2070%
Friday2157%
Saturday5—
Sunday2162%

Why it was late

Airline (crew, maintenance, ops) 68%Severe weather 18%Air traffic & airport (NAS) 12%Security 2%

All flights AUS → BNA · Connecting off DL 3945? Check the risk

Questions

How often is DL 3945 from BNA to AUS late?

Delta Air Lines 3945 from Nashville, TN to Austin, TX arrived 15 or more minutes late, was diverted or was cancelled on 24% of 171 scheduled flights between September 2025 and August 2026. 0.6% were cancelled.

How often is DL 3945 from AUS to BNA late?

Delta Air Lines 3945 from Austin, TX to Nashville, TN arrived 15 or more minutes late, was diverted or was cancelled on 36% of 126 scheduled flights between September 2025 and August 2026. 0.0% 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.