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DelayAtlas

Carrier route record

DLMSPFSD

Delta Air Lines · Minneapolis to Sioux Falls

Flights
366
Period
July 2025 to June 2026
Share of route
29%
Carriers
2
B+GRADE

Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with Delta Air Lines.

Delta on MSP to FSD lands a B+, level with the national rate of 77.6%. Roughly one flight in four arrives 15 minutes late or worse, and those flights are late by a little over an hour on average. That is a workable record, not a spotless one. That rests on 366 flights, with a median arrival 12 minutes early.

The US average over the same twelve months is 77.6%, so there is little to separate Delta on MSP to FSD from the country as a whole. The variation that matters here is internal: which carrier, and what time of day.

Key figures

On time

77.1%

Arrivals under 15 minutes late, of 363 completed flights

Avg delay

69 min

Across delayed arrivals only, not all flights

Cancelled

0.82%

National rate is 1.81%

Whole route

77.6%

Every carrier on MSP to FSD, 1,257 flights

These figures cover 366 flights between July 2025 and June 2026. Beyond the headline rate, 10.2% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.

Carrier by carrier

Delta against every carrier on MSP to FSD

Delta flew 366 of the 1,257 flights on MSP to FSD, about 29% of it. Its 77.1% on time is about level with the route as a whole at 77.6%. Ranked by on-time rate it is last of two carriers on the route, where the range runs from SkyWest at 77.8% to Delta at 77.1%.

Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.

On-time performance by carrier on MSP to FSD
AirlineFlightsOn timeAvg delayCancelledGrade
SkyWest Airlines89177.8%75 min1.23%B
Delta Air Lines (this page)36677.1%69 min0.82%B+

Departure window

When Delta runs best on this route

Departure time is the single lever a traveller controls, and it moves the odds more than most people expect. Each bar below is the on-time rate for flights scheduled to leave inside that window, across 366 flights.

The overnight block holds up unusually well at 77.2% on time across 358 flights. Red-eyes fly into empty airspace and empty gates, and they are the first rotation of the aircraft's day rather than the last. The 8pm–5am window is the busiest, with 358 flights scheduled in it.

Across the year

Delta on MSP to FSD through the year

On-time rate by calendar month74JF77M87A81MJ59J81A87S90O80N45D
Darker means more delays. Figures are on-time percentages.October best, December worst

December is the weak month at 45.2% on time, against 90.3% in October. Winter delays cluster: a single storm system can account for most of a month's shortfall, so an average December hides both very good weeks and genuinely unflyable days. July was the busiest month here, with 32 flights.

Across the week, Wednesday is the strongest day at 82.4% on time and Sunday the weakest at 72.5%. 10 points is a smaller lever than departure hour, but it is free.

On-time rate by day of the week76.9Mon77.4Tue82.4Wed75.0Thu76.9Fri78.8Sat72.5Sun
Monday: 76.9 percent on time. Tuesday: 77.4 percent on time. Wednesday: 82.4 percent on time. Thursday: 75.0 percent on time. Friday: 76.9 percent on time. Saturday: 78.8 percent on time. Sunday: 72.5 percent on time

Delay causes

Why Delta runs late on this route

One category carries most of the weight here. Carrier accounts for 60% of the 5,723 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.

  • Carrier
    60%
  • Late-arriving aircraft
    23%
  • National Airspace System
    11%
  • Extreme weather
    6%

The largest share of delay minutes, 60%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. Unlike weather, that is a management outcome, and it is the category where the gap between two carriers on the same schedule is genuinely earned. It accounts for 3,431 of the 5,723 delay minutes reported here. The split is drawn from 5,723 reported delay minutes.

Cancellations are rare at 0.82%, below the national 1.81% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.

Connections and stage length

What a delay here costs

For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 10.2% of arrivals land a full hour or more behind schedule, against 8.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.

At 196 miles this is a short hop, and stage length matters more than it looks. A flight this short spends under two hours in the air, which leaves almost nothing to claw back a late pushback with. Delay here is decided on the ground, in the turn, which is why the 8pm–5am window matters as much as it does.

The return leg is a different operation and performs like one: it runs 86.5% on time across 366 flights, 9 points above this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 9 points of difference.

One caution: this is a thin sample. 366 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.

What to do with this

Booking Delta on MSP to FSD

Put together: treat all of this as provisional. 366 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 77.1% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 363 completed flights over 12 months sit behind that.

Related

Where to go next

Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.