Flight number record

DL 1025

Delta Air Lines · Minneapolis to Denver

Route: MSP → DEN
Departs: 14:28
Flights: 365
Period: July 2025 to June 2026

Historical statistics for July 2025 to June 2026, not live status. For today’s DL 1025, check with Delta Air Lines.

DL 1025 lands a B+, 2 points better than the national rate of 77.6%. About one flight in five arrives 15 minutes late or worse, and those flights are late by about an hour on average. That is a workable record, not a spotless one. That rests on 365 flights, with a median arrival 5 minutes early.

On time

79.7%

Arrivals under 15 minutes late, of 360 completed flights

Avg delay

61 min

Across delayed arrivals only, not all flights

Cancelled

0.27%

National rate is 1.81%

1 hour+ late

6.9%

National rate is 8.1%

These figures cover 365 flights between July 2025 and June 2026. The median arrival is 5 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.

Schedule

When DL 1025 flies

DL 1025 flies MSP to DEN without a single fixed slot. Its most common scheduled departure was 14:28, used on 55 of 365 flights, with 15:26 (47 flights) and 14:27 (46 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

Departs 14:2855 flights15.1%
Departs 15:2647 flights12.9%
Departs 14:2746 flights12.6%

Scale runs 0% to 100%. Rows with fewer than 30 flights show a dash.

Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.

A 14:28 departure sits in the 2pm–5pm window. Across every US flight scheduled in that window the on-time rate is 72.4%, and DL 1025 runs 7 points better at 79.7%. Midday slots inherit some of the morning's delays without yet carrying the full weight of the evening's.

Against the route

DL 1025 next to MSP to DEN

Every carrier on MSP to DEN combined arrived on time 77.6% of the time across 5,838 flights, so DL 1025 is 2 points ahead of it. Delta flew 1,804 flights on the same city pair under all its flight numbers, including this one, and those ran 76.0% on time. Across its whole network Delta Air Lines managed 81.6%, which this flight trails by 2 points.

DL 1025 against its route and carrier
Compared with	Flights	On time	Avg delay	Cancelled	Grade
DL 1025	365	79.7%	61 min	0.27%	B+
All Delta Air Lines on MSP–DEN	1,804	76.0%	59 min	0.94%	B+
All carriers on MSP–DEN	5,838	77.6%	69 min	0.81%	B+
Delta Air Lines, whole network	1,038,570	81.6%	71 min	1.62%	B

Across the year

DL 1025 quarter by quarter

DL 1025 did not run the same all year. Its best quarter was Apr–Jun 2026 at 86.7% on time and its weakest Oct–Dec 2025 at 72.8%, a swing of 14 points on roughly 91 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.

Jul–Sep 202592 flights79.8%
Oct–Dec 202592 flights72.8%
Jan–Mar 202690 flights79.8%
Apr–Jun 202691 flights86.7%

Scale runs 65% to 90%. Rows with fewer than 30 flights show a dash.

By weekday, DL 1025 ranged from 76.0% on Monday to 84.9% on Tuesday. With about 52 flights behind each day, a spread of 9 points is inside normal variation, so the day you fly is not worth changing for this flight.

Delay causes

Why DL 1025 runs late

Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 4,477 reported delay minutes.

Carrier
37%
National Airspace System
35%
Late-arriving aircraft
25%
Extreme weather
3%

The largest share of delay minutes, 37%, 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 1,659 of the 4,477 delay minutes reported here. The split is drawn from 4,477 delay minutes reported on DL 1025.

Cancellations are rare at 0.27%, 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 routes

What a delay on this flight costs

6.9% of arrivals land an hour or more late, close to the national 8.1%. That is the figure that decides a connection, and it says a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last about an hour, which a normal layover absorbs.

The 680 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 same number turns up on one other city pair in the data, including DEN to MSP (72), but none flew often enough under DL 1025 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to MSP to DEN only.

One caution: this is a thin sample. 365 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 DL 1025

For a booking, read DL 1025 as 79.7% on time with 0.27% cancelled over 365 flights. Those are rates from the past twelve months, not a forecast for any particular day.

Where to go next

A flight number here means Delta Air Lines’s own number as it reports to the DOT. How the figures are computed is on the methodology page.

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