Flight number record

DL 2915

Delta Air Lines · Cincinnati to Las Vegas

Route: CVG → LAS
Departs: 07:00
Flights: 356
Period: July 2025 to June 2026

Historical statistics for July 2025 to June 2026, not live status. For today’s DL 2915, check with Delta Air Lines.

DL 2915 lands a B, 5 points better than the national rate of 77.6%. About one flight in six 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 356 flights, with a median arrival 7 minutes early.

Set against the rest of the country, DL 2915's record is 5 points better than the US average of 77.6%. That gap is worth roughly 49 fewer late arrivals for every thousand flights.

On time

82.5%

Arrivals under 15 minutes late, of 349 completed flights

Avg delay

63 min

Across delayed arrivals only, not all flights

Cancelled

1.69%

National rate is 1.81%

1 hour+ late

4.9%

National rate is 8.1%

These figures cover 356 flights between July 2025 and June 2026. The median arrival is 7 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 2915 flies

DL 2915 flies CVG to LAS without a single fixed slot. Its most common scheduled departure was 07:00, used on 104 of 356 flights, with 07:11 (67 flights) and 07:20 (46 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

Departs 07:00104 flights29.2%
Departs 07:1167 flights18.8%
Departs 07:2046 flights12.9%

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 07:00 departure sits in the 5am–8am window. Across every US flight scheduled in that window the on-time rate is 89.3%, and DL 2915 runs 7 points worse at 82.5%. Early departures usually start with an aircraft that has not flown yet that day, which is most of why the window does well.

Against the route

DL 2915 next to CVG to LAS

Every carrier on CVG to LAS combined arrived on time 80.9% of the time across 673 flights, so DL 2915 is 2 points ahead of it. Across its whole network Delta Air Lines managed 81.6%, close to this flight's figure.

DL 2915 against its route and carrier
Compared with	Flights	On time	Avg delay	Cancelled	Grade
DL 2915thin sample	356	82.5%	63 min	1.69%	B
All Delta Air Lines on CVG–LASthin sample	356	82.5%	63 min	1.69%	B
All carriers on CVG–LAS	673	80.9%	90 min	1.63%	B
Delta Air Lines, whole network	1,038,570	81.6%	71 min	1.62%	B

Across the year

DL 2915 quarter by quarter

DL 2915 did not run the same all year. Its best quarter was Jul–Sep 2025 at 89.9% on time and its weakest Apr–Jun 2026 at 77.8%, a swing of 12 points on roughly 89 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 flights89.9%
Oct–Dec 202588 flights82.8%
Jan–Mar 202685 flights79.5%
Apr–Jun 202691 flights77.8%

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

By weekday, DL 2915 did best on Sunday at 92.2% on time and worst on Monday at 64.7%. Each day rests on about 51 flights, so a gap of 28 points is worth noticing but could still narrow in another year.

Delay causes

Why DL 2915 runs late

One category carries most of the weight here. Carrier accounts for 63% of the 3,852 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
63%
Late-arriving aircraft
21%
National Airspace System
16%
Extreme weather
1%

The largest share of delay minutes, 63%, 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 2,424 of the 3,852 delay minutes reported here. The split is drawn from 3,852 delay minutes reported on DL 2915.

Cancellations sit at 1.69% against a national 1.81%, which is ordinary. Diversions add another 0.28%.

Connections and routes

What a delay on this flight 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.

At 1,678 miles this is transcontinental flying, and long routes get a quiet structural advantage. Scheduled block time on a flight this length carries more padding in absolute minutes, so a twenty-minute late departure often still becomes an on-time arrival. Read the on-time rate here as slightly flattering next to a short-haul route with the same operational quality.

Every one of the 356 flights under DL 2915 in the data flew CVG to LAS. The number was not reused on any other city pair, which makes this a clean record of one route.

One caution: this is a thin sample. 356 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 2915

For a booking, read DL 2915 as 82.5% on time with 1.69% cancelled over 356 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