ON TIMEBOARD

DL 1557 on time

Delta Air Lines 1557: Detroit to Nashville at 12:30 p.m.; Nashville to Detroit at 1:53 p.m. (past 12 months). Figures below the title are for DTW → BNA, its busiest leg

On time
86%
304 flights · likely 82–90%
Cancelled
2.0%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+59 min
average delay
Similar flights
86%
DL, same route & hour

About 1 in 7 DL 1557 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (14%); 2.0% were cancelled. The typical flight landed 10 minutes early.

DL 1557: DTW → BNA

Scheduled to leave Detroit at 12:30 p.m. local time. Over the past year it arrived on time 86% of the time (304 flights), in line with other DL flights on the route at that hour (86%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 100% on time (27 flights)100SepOct 2025: 97% on time (29 flights)97OctNov 2025: 72% on time (29 flights)72NovDec 2025: 69% on time (29 flights)69DecJan 2026: too few flights (12 flights)JanFeb 2026: too few flights (7 flights)FebMar 2026: 79% on time (24 flights)79MarApr 2026: 87% on time (30 flights)87AprMay 2026: 89% on time (27 flights)89MayJun 2026: 83% on time (29 flights)83JunJul 2026: 87% on time (31 flights)87JulAug 2026: 100% on time (30 flights)100Aug

By day of week

DayFlightsOn time
Monday4885%
Tuesday4388%
Wednesday4391%
Thursday4593%
Friday4584%
Saturday3382%
Sunday4779%

Why it was late

Airline (crew, maintenance, ops) 60%Late inbound plane 25%Air traffic & airport (NAS) 14%Severe weather 1%

All flights DTW → BNA · Connecting off DL 1557? Check the risk

DL 1557: BNA → DTW

Scheduled to leave Nashville at 1:53 p.m. local time. Over the past year it arrived on time 86% of the time (301 flights), in line with other DL flights on the route at that hour (86%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 96% on time (27 flights)96SepOct 2025: 97% on time (29 flights)97OctNov 2025: 79% on time (29 flights)79NovDec 2025: 72% on time (29 flights)72DecJan 2026: too few flights (12 flights)JanFeb 2026: too few flights (7 flights)FebMar 2026: 75% on time (24 flights)75MarApr 2026: 75% on time (28 flights)75AprMay 2026: 96% on time (26 flights)96MayJun 2026: 86% on time (29 flights)86JunJul 2026: 87% on time (31 flights)87JulAug 2026: 97% on time (30 flights)97Aug

By day of week

DayFlightsOn time
Monday4883%
Tuesday4386%
Wednesday4393%
Thursday4589%
Friday4584%
Saturday3093%
Sunday4777%

Why it was late

Late inbound plane 45%Airline (crew, maintenance, ops) 41%Severe weather 7%Air traffic & airport (NAS) 6%

All flights BNA → DTW · Connecting off DL 1557? Check the risk

Questions

How often is DL 1557 from DTW to BNA late?

Delta Air Lines 1557 from Detroit, MI to Nashville, TN arrived 15 or more minutes late, was diverted or was cancelled on 14% of 304 scheduled flights between September 2025 and August 2026. 2.0% were cancelled.

How often is DL 1557 from BNA to DTW late?

Delta Air Lines 1557 from Nashville, TN to Detroit, MI arrived 15 or more minutes late, was diverted or was cancelled on 14% of 301 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.