Flight number record

DL 2998

Delta Air Lines · Salt Lake City to Seattle

Route: SLC → SEA
Departs: 22:45
Flights: 270
Period: July 2025 to June 2026

Historical statistics for July 2025 to June 2026, not live status. For today’s DL 2998, check with Delta Air Lines.

DL 2998 earns an A+. Close to nine flights in ten arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 12 points better than the national rate of 77.6%. When something does go wrong the average delay runs a little over an hour. That rests on 270 flights, with a median arrival 13 minutes early.

Set against the rest of the country, DL 2998's record is 12 points better than the US average of 77.6%. That gap is worth roughly 117 fewer late arrivals for every thousand flights.

On time

89.3%

Arrivals under 15 minutes late, of 270 completed flights

Avg delay

70 min

Across delayed arrivals only, not all flights

Cancelled

0.00%

National rate is 1.81%

1 hour+ late

1.5%

National rate is 8.1%

These figures cover 270 flights between July 2025 and June 2026. The median arrival is 13 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 2998 flies

DL 2998 flies SLC to SEA without a single fixed slot. Its most common scheduled departure was 22:45, used on 198 of 270 flights. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.

Departs 22:45198 flights73.3%

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 22:45 departure sits in the 8pm–5am window. Across every US flight scheduled in that window the on-time rate is 70.5%, and DL 2998 runs 19 points better at 89.3%. By that time of day most aircraft have flown several legs already, and whatever went wrong earlier is still in the schedule.

Against the route

DL 2998 next to SLC to SEA

Every carrier on SLC to SEA combined arrived on time 80.2% of the time across 4,108 flights, so DL 2998 is 9 points ahead of it. Delta flew 2,222 flights on the same city pair under all its flight numbers, including this one, and those ran 83.3% on time. Across its whole network Delta Air Lines managed 81.6%, which this flight beats by 8 points.

DL 2998 against its route and carrier
Compared with	Flights	On time	Avg delay	Cancelled	Grade
DL 2998thin sample	270	89.3%	70 min	0.00%	A+
All Delta Air Lines on SLC–SEA	2,222	83.3%	54 min	0.54%	B+
All carriers on SLC–SEA	4,108	80.2%	53 min	0.97%	B+
Delta Air Lines, whole network	1,038,570	81.6%	71 min	1.62%	B

Across the year

DL 2998 quarter by quarter

DL 2998 did not run the same all year. Its best quarter was Apr–Jun 2026 at 93.1% on time and its weakest Jul–Sep 2025 at 81.5%, a swing of 12 points on roughly 68 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 202554 flights81.5%
Oct–Dec 202554 flights88.9%
Jan–Mar 202690 flights91.1%
Apr–Jun 202672 flights93.1%

Scale runs 75% to 100%. Rows with fewer than 30 flights show a dash.

By weekday, DL 2998 ranged from 83.9% on Tuesday to 95.8% on Monday. With about 39 flights behind each day, a spread of 12 points is inside normal variation, so the day you fly is not worth changing for this flight.

Delay causes

Why DL 2998 runs late

One category carries most of the weight here. Carrier accounts for 85% of the 2,041 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
85%
National Airspace System
8%
Late-arriving aircraft
7%

The largest share of delay minutes, 85%, 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 1,735 of the 2,041 delay minutes reported here. The split is drawn from 2,041 delay minutes reported on DL 2998.

Cancellations are rare at 0.00%, below the national 1.81% and low enough to earn the plus on the grade. Almost no flights are called off; the risk here is arriving late, not not arriving.

Connections and routes

What a delay on this flight costs

Badly late arrivals are rare here: only 1.5% 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 689 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.

Every one of the 270 flights under DL 2998 in the data flew SLC to SEA. 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. 270 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 2998

For a booking, DL 2998 has one of the better records a US domestic flight can show: 89.3% on time and 0.00% cancelled. That is a base rate, not a promise about any single 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