Carrier route record

DLMSP→ATL

Delta Air Lines · Minneapolis to Atlanta

Flights: 3,201
Period: July 2025 to June 2026
Share of route: 91%
Carriers: 3

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

Delta on MSP to ATL earns a B+. More than four flights in five arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 7 points better than the national rate of 77.6%. When something does go wrong the average delay runs about an hour. That rests on 3,201 flights, with a median arrival 9 minutes early.

Set against the rest of the country, Delta's MSP to ATL record is 7 points better than the US average of 77.6%. That gap is worth roughly 69 fewer late arrivals for every thousand flights.

On time

84.5%

Arrivals under 15 minutes late, of 3,184 completed flights

Avg delay

66 min

Across delayed arrivals only, not all flights

Cancelled

0.41%

National rate is 1.81%

Whole route

82.8%

Every carrier on MSP to ATL, 3,504 flights

These figures cover 3,201 flights between July 2025 and June 2026. The median arrival is 9 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.

Carrier by carrier

Delta against every carrier on MSP to ATL

Delta flew 3,201 of the 3,504 flights on MSP to ATL, most of the route. Its 84.5% on time is 2 points better than the route as a whole, which runs 82.8%. Ranked by on-time rate it is first of three carriers on the route, where the range runs from Delta at 84.5% to Frontier at 56.6%. Two of those carriers flew fewer than 365 flights here, so treat their positions as rough.

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 ATL
Airline	Flights	On time	Avg delay	Cancelled	Grade
Delta Air Lines (this page)	3,201	84.5%	66 min	0.41%	B+
Spirit Airlinesthin sample	124	78.0%	74 min	0.81%	B+
Frontier Airlinesthin sample	179	56.6%	73 min	2.23%	D

Flight by flight

Delta flight numbers on MSP to ATL

Departure window

When Delta runs best on this route

Departure time matters more here than the choice of carrier. The gap between the best and worst window is 13 points, against half a point between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.

5am–8am744 flights90.9%
8am–11am714 flights86.9%
11am–2pm384 flights80.6%
2pm–5pm628 flights81.8%
5pm–8pm450 flights78.1%
8pm–5am281 flights82.4%

Scale runs 70% to 95%. Rows with fewer than 30 flights show a dash.

Book the early departure. Flights leaving between 5am–8am arrive on time 90.9% of the time, against 78.1% for the evening window. That is 13 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 5am–8am window is the busiest, with 744 flights scheduled in it.

Across the year

Delta on MSP to ATL through the year

Darker means more delays. Figures are on-time percentages.September best, December worst

December is the weak month at 77.3% on time, against 90.2% in September. 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. March was the busiest month here, with 286 flights.

Across the week, Tuesday is the strongest day at 88.7% on time and Sunday the weakest at 80.8%. 8 points is a smaller lever than departure hour, but it is free.

Delay causes

Why Delta runs late on this route

One category carries most of the weight here. Carrier accounts for 53% of the 33,000 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
53%
National Airspace System
22%
Late-arriving aircraft
21%
Extreme weather
4%

The largest share of delay minutes, 53%, 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 18,000 of the 33,000 delay minutes reported here. The split is drawn from 32,755 reported delay minutes.

Cancellations are rare at 0.41%, 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

Badly late arrivals are rare here: only 4.9% land an hour or more behind schedule, against 8.1% nationally. Connections built on this flight are about as safe as US domestic connections get, though a cancelled flight still ignores every layover you give it.

The 907 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty. It is also long enough that the aircraft usually flies three or four legs a day rather than six, which slows how fast delay compounds.

The return leg runs 82.1% on time across 3,221 flights, within 2 points of this direction. The two legs are scored separately because they usually differ; on this city pair they happen not to.

The sample behind these figures is 3,201 flights, enough that the headline rate is stable to within roughly a point. The hour-block and month splits divide that further, so read the thinner bars with more caution than the headline.

What to do with this

Booking Delta on MSP to ATL

Put together: the calendar is the biggest lever here, not the carrier or the hour. September runs 90.2% on time and December 77.3%, a swing of 13 points. If the dates move at all, move them out of December before you think about anything else. 3,184 completed flights over 12 months sit behind that.

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.

Key figures