ON TIMEBOARD

DL 4329 on time

Delta Air Lines 4329: Grand Forks to Minneapolis at 10:54 a.m.; Minneapolis to Grand Forks at 8:50 a.m. (past 12 months). Figures below the title are for GFK → MSP, its busiest leg

On time
90%
141 flights · likely 84–94%
Cancelled
0.0%
of scheduled flights
Typical arrival
−23 min
median vs schedule
When late
+56 min
average delay
Similar flights
90%
DL, same route & hour

About 1 in 10 DL 4329 flights from Grand Forks arrived 15+ minutes late, diverted or cancelled over the past year (10%); 0.0% were cancelled. The typical flight landed 23 minutes early.

DL 4329: GFK → MSP

Scheduled to leave Grand Forks at 10:54 a.m. local time, operated by SkyWest as OO 4329. Over the past year it arrived on time 90% of the time (141 flights), in line with other DL flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2026: 89% on time (18 flights)89AprMay 2026: 84% on time (31 flights)84MayJun 2026: 100% on time (30 flights)100JunJul 2026: 94% on time (31 flights)94JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday2186%
Tuesday2095%
Wednesday2085%
Thursday2095%
Friday2095%
Saturday2085%
Sunday2090%

Why it was late

Airline (crew, maintenance, ops) 58%Severe weather 39%Air traffic & airport (NAS) 4%

All flights GFK → MSP · Connecting off DL 4329? Check the risk

DL 4329: MSP → GFK

Scheduled to leave Minneapolis at 8:50 a.m. local time, operated by SkyWest as OO 4329. Over the past year it arrived on time 91% of the time (141 flights), in line with other DL flights on the route at that hour (91%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2026: 94% on time (18 flights)94AprMay 2026: 87% on time (31 flights)87MayJun 2026: 97% on time (30 flights)97JunJul 2026: 94% on time (31 flights)94JulAug 2026: 84% on time (31 flights)84Aug

By day of week

DayFlightsOn time
Monday2181%
Tuesday20100%
Wednesday2090%
Thursday2095%
Friday20100%
Saturday2085%
Sunday2085%

Why it was late

Airline (crew, maintenance, ops) 71%Severe weather 23%Air traffic & airport (NAS) 7%

All flights MSP → GFK · Connecting off DL 4329? Check the risk

Questions

How often is DL 4329 from GFK to MSP late?

Delta Air Lines 4329 from Grand Forks, ND to Minneapolis, MN arrived 15 or more minutes late, was diverted or was cancelled on 10% of 141 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

How often is DL 4329 from MSP to GFK late?

Delta Air Lines 4329 from Minneapolis, MN to Grand Forks, ND arrived 15 or more minutes late, was diverted or was cancelled on 9% of 141 scheduled flights between September 2025 and August 2026. 0.0% 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.