ON TIMEBOARD

DL 2121 on time

Delta Air Lines 2121: Minneapolis to San Diego at 8:50 a.m. (past 12 months)

On time
82%
341 flights · likely 77–85%
Cancelled
0.9%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+39 min
average delay
Similar flights
82%
DL, same route & hour

About 1 in 5 DL 2121 flights from Minneapolis arrived 15+ minutes late, diverted or cancelled over the past year (18%); 0.9% were cancelled. The typical flight landed 6 minutes early.

DL 2121: MSP → SAN

Scheduled to leave Minneapolis at 8:50 a.m. local time. Over the past year it arrived on time 82% of the time (341 flights), in line with other DL flights on the route at that hour (82%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 83% on time (30 flights)83SepOct 2025: 84% on time (31 flights)84OctNov 2025: 87% on time (30 flights)87NovDec 2025: 68% on time (31 flights)68DecJan 2026: 65% on time (31 flights)65JanFeb 2026: too few flights (11 flights)FebMar 2026: 88% on time (24 flights)88MarApr 2026: 83% on time (30 flights)83AprMay 2026: 94% on time (31 flights)94MayJun 2026: 70% on time (30 flights)70JunJul 2026: 81% on time (31 flights)81JulAug 2026: 94% on time (31 flights)94Aug

By day of week

DayFlightsOn time
Monday5074%
Tuesday4988%
Wednesday4988%
Thursday4875%
Friday4881%
Saturday4885%
Sunday4980%

Why it was late

Air traffic & airport (NAS) 46%Airline (crew, maintenance, ops) 43%Severe weather 8%Late inbound plane 3%

All flights MSP → SAN · Connecting off DL 2121? Check the risk

Questions

How often is DL 2121 from MSP to SAN late?

Delta Air Lines 2121 from Minneapolis, MN to San Diego, CA arrived 15 or more minutes late, was diverted or was cancelled on 18% of 341 scheduled flights between September 2025 and August 2026. 0.9% 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.