ON TIMEBOARD

DL 2129 on time

Delta Air Lines 2129: Minneapolis to Miami at 8:50 a.m.; Miami to Minneapolis at 2:37 p.m. (past 12 months). Figures below the title are for MSP → MIA, its busiest leg

On time
84%
365 flights · likely 80–88%
Cancelled
1.1%
of scheduled flights
Typical arrival
−9 min
median vs schedule
When late
+48 min
average delay
Similar flights
82%
DL, same route & hour

About 1 in 6 DL 2129 flights from Minneapolis arrived 15+ minutes late, diverted or cancelled over the past year (16%); 1.1% were cancelled. The typical flight landed 9 minutes early.

DL 2129: MSP → MIA

Scheduled to leave Minneapolis at 8:50 a.m. local time. Over the past year it arrived on time 84% of the time (365 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: 93% on time (30 flights)93SepOct 2025: 94% on time (31 flights)94OctNov 2025: 87% on time (30 flights)87NovDec 2025: 61% on time (31 flights)61DecJan 2026: 61% on time (31 flights)61JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 77% on time (31 flights)77MarApr 2026: 83% on time (30 flights)83AprMay 2026: 94% on time (31 flights)94MayJun 2026: 93% on time (30 flights)93JunJul 2026: 90% on time (31 flights)90JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday5381%
Tuesday5288%
Wednesday5285%
Thursday5294%
Friday5283%
Saturday5277%
Sunday5281%

Why it was late

Air traffic & airport (NAS) 56%Airline (crew, maintenance, ops) 26%Severe weather 11%Late inbound plane 6%

All flights MSP → MIA · Connecting off DL 2129? Check the risk

DL 2129: MIA → MSP

Scheduled to leave Miami at 2:37 p.m. local time. Over the past year it arrived on time 76% 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.

Month by month

40%70%100%Sep 2025: 83% on time (30 flights)83SepOct 2025: 90% on time (31 flights)90OctNov 2025: 83% on time (30 flights)83NovDec 2025: 61% on time (31 flights)61DecJan 2026: 48% on time (31 flights)48JanFeb 2026: 64% on time (28 flights)64FebMar 2026: 68% on time (31 flights)68MarApr 2026: 87% on time (30 flights)87AprMay 2026: 87% on time (31 flights)87MayJun 2026: 83% on time (30 flights)83JunJul 2026: 70% on time (30 flights)70JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday5372%
Tuesday5283%
Wednesday5277%
Thursday5271%
Friday5277%
Saturday5178%
Sunday5273%

Why it was late

Airline (crew, maintenance, ops) 35%Late inbound plane 32%Air traffic & airport (NAS) 24%Severe weather 9%

All flights MIA → MSP · Connecting off DL 2129? Check the risk

Questions

How often is DL 2129 from MSP to MIA late?

Delta Air Lines 2129 from Minneapolis, MN to Miami, FL arrived 15 or more minutes late, was diverted or was cancelled on 16% of 365 scheduled flights between September 2025 and August 2026. 1.1% were cancelled.

How often is DL 2129 from MIA to MSP late?

Delta Air Lines 2129 from Miami, FL to Minneapolis, MN arrived 15 or more minutes late, was diverted or was cancelled on 24% of 364 scheduled flights between September 2025 and August 2026. 0.8% 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.