ON TIMEBOARD

DL 1321 on time

Delta Air Lines 1321: Detroit to Kansas City at 7:50 p.m. (past 12 months)

On time
69%
239 flights · likely 63–75%
Cancelled
1.3%
of scheduled flights
Typical arrival
−4 min
median vs schedule
When late
+77 min
average delay
Similar flights
69%
DL, same route & hour

About 1 in 3 DL 1321 flights from Detroit arrived 15+ minutes late, diverted or cancelled over the past year (31%); 1.3% were cancelled. The typical flight landed 4 minutes early.

DL 1321: DTW → MCI

Scheduled to leave Detroit at 7:50 p.m. local time. Over the past year it arrived on time 69% of the time (239 flights), in line with other DL flights on the route at that hour (69%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Detroit to Kansas City (100% of days). Delta Air Lines's last DTW–MCI flight was cancelled 1.1% of the time, against 1.2% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 8:41 a.m. the next morning.

Month by month

40%70%100%Mar 2025: 87% on time (31 flights)87MarApr 2025: 83% on time (30 flights)83AprMay 2025: 71% on time (31 flights)71MayJun 2025: too few flights (7 flights)JunJan 2026: 70% on time (27 flights)70JanFeb 2026: 79% on time (28 flights)79FebMar 2026: 68% on time (31 flights)68MarApr 2026: 77% on time (30 flights)77AprMay 2026: 77% on time (31 flights)77MayJun 2026: 47% on time (30 flights)47JunJul 2026: 74% on time (31 flights)74JulAug 2026: 61% on time (31 flights)61Aug

By day of week

DayFlightsOn time
Monday3560%
Tuesday3476%
Wednesday3474%
Thursday3462%
Friday3465%
Saturday3474%
Sunday3474%

Why it was late

Airline (crew, maintenance, ops) 59%Late inbound plane 32%Air traffic & airport (NAS) 10%

All flights DTW → MCI · Connecting off DL 1321? Check the risk

Questions

How often is DL 1321 from DTW to MCI late?

Delta Air Lines 1321 from Detroit, MI to Kansas City, MO arrived 15 or more minutes late, was diverted or was cancelled on 31% of 239 scheduled flights between September 2025 and August 2026. 1.3% 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.