ON TIMEBOARD

DL 1609 on time

Delta Air Lines 1609: Minneapolis to St. Louis at 9:51 p.m. (past 12 months)

On time
74%
364 flights · likely 69–78%
Cancelled
1.1%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+58 min
average delay
Similar flights
74%
DL, same route & hour

About 1 in 4 DL 1609 flights from Minneapolis arrived 15+ minutes late, diverted or cancelled over the past year (26%); 1.1% were cancelled. The typical flight landed 7 minutes early.

DL 1609: MSP → STL

Scheduled to leave Minneapolis at 9:51 p.m. local time. Over the past year it arrived on time 74% of the time (364 flights), in line with other DL flights on the route at that hour (74%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Minneapolis to St. Louis (100% of days). Delta Air Lines's last MSP–STL flight was cancelled 1.1% of the time, against 1.1% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 7:00 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 83% on time (30 flights)83SepOct 2025: 65% on time (31 flights)65OctNov 2025: 79% on time (29 flights)79NovDec 2025: 68% on time (31 flights)68DecJan 2026: 74% on time (31 flights)74JanFeb 2026: 96% on time (28 flights)96FebMar 2026: 74% on time (31 flights)74MarApr 2026: 83% on time (30 flights)83AprMay 2026: 87% on time (31 flights)87MayJun 2026: 53% on time (30 flights)53JunJul 2026: 71% on time (31 flights)71JulAug 2026: 55% on time (31 flights)55Aug

By day of week

DayFlightsOn time
Monday5372%
Tuesday5281%
Wednesday5279%
Thursday5178%
Friday5265%
Saturday5271%
Sunday5271%

Why it was late

Airline (crew, maintenance, ops) 53%Late inbound plane 27%Air traffic & airport (NAS) 17%Severe weather 2%

All flights MSP → STL · Connecting off DL 1609? Check the risk

Questions

How often is DL 1609 from MSP to STL late?

Delta Air Lines 1609 from Minneapolis, MN to St. Louis, MO arrived 15 or more minutes late, was diverted or was cancelled on 26% of 364 scheduled flights between September 2025 and August 2026. 1.1% 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.