Flight number record
DL 2589
Delta Air Lines · Detroit to New York
- Route
- DTW → LGA
- Departs
- 10:00
- Flights
- 365
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s DL 2589, check with Delta Air Lines.
DL 2589 earns an A−. More than four flights in five arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 8 points better than the national rate of 77.3%. When something does go wrong the average delay runs about an hour. That rests on 365 flights, with a median arrival 10 minutes early.
Set against the rest of the country, DL 2589's record is 8 points better than the US average of 77.3%. That gap is worth roughly 80 fewer late arrivals for every thousand flights.
Key figures
On time
85.3%
Arrivals under 15 minutes late, of 354 completed flights
Avg delay
58 min
Across delayed arrivals only, not all flights
Cancelled
3.01%
National rate is 1.89%
1 hour+ late
5.6%
National rate is 8.3%
These figures cover 365 flights between September 2025 and August 2026. The median arrival is 10 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.
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Schedule
When DL 2589 flies
DL 2589 flies DTW to LGA without a single fixed slot. Its most common scheduled departure was 10:00, used on 120 of 365 flights, with 10:15 (100 flights) and 10:05 (88 flights) next.
- Departs 10:00120 flights32.9%
- Departs 10:15100 flights27.4%
- Departs 10:0588 flights24.1%
Scale runs 0% to 100%.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 10:00 departure sits in the 8am–11am window. Across every US flight scheduled in that window the on-time rate is 83.9%, and DL 2589 runs level with that at 85.3%. Early departures usually start with an aircraft that has not flown yet that day, which is most of why the window does well.
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Against the route
DL 2589 next to DTW to LGA
Every carrier on DTW to LGA combined arrived on time 74.7% of the time across 3,862 flights, so DL 2589 is 11 points ahead of it. Delta flew 1,981 flights on the same city pair under all its flight numbers, including this one, and those ran 76.4% on time. Across its whole network Delta Air Lines managed 81.1%, which this flight beats by 4 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| DL 2589 | 365 | 85.3% | 58 min | 3.01% | A− |
| All Delta Air Lines on DTW–LGA | 1,981 | 76.4% | 74 min | 4.04% | B− |
| All carriers on DTW–LGA | 3,862 | 74.7% | 76 min | 5.44% | C− |
| Delta Air Lines, whole network | 1,039,517 | 81.1% | 71 min | 1.74% | B |
Across the year
DL 2589 quarter by quarter
Quarter by quarter DL 2589 held fairly steady: 90.0% in Jul–Sep 2025, 81.1% in Oct–Dec 2025, 89.3% in Jan–Mar 2026, 85.7% in Apr–Jun 2026 and 83.1% in Jul–Sep 2026. A spread of 9 points is about what a sample of this size moves on its own, so the annual figure is a fair summary.
- Jul–Sep 202530 flights90.0%
- Oct–Dec 202592 flights81.1%
- Jan–Mar 202690 flights89.3%
- Apr–Jun 202691 flights85.7%
- Jul–Sep 202662 flights83.1%
Scale runs 75% to 95%.
By weekday, DL 2589 did best on Wednesday at 94.1% on time and worst on Sunday at 72.9%. Each day rests on about 52 flights, so a gap of 21 points is worth noticing but could still narrow in another year.
Arrival by arrival
How late DL 2589 runs when it is late
DL 2589 often beats the schedule: 107 of 354 completed flights, 30%, arrived 15 minutes or more early. The 52 late arrivals split 15 under half an hour, 17 between 30 and 60 minutes, and 20 an hour or more.
- 15+ min early107 flights30.2%
- Within 15 min195 flights55.1%
- 15–29 min late15 flights4.2%
- 30–59 min late17 flights4.8%
- 1–2 hours late15 flights4.2%
- 2+ hours late5 flights1.4%
Scale runs 0% to 100%.
Share of 354 completed flights by arrival against schedule.
12 of 46 late departures made up the time and arrived on time, 26% of them. In the other direction, 18 flights left on time yet arrived 15 minutes late or more, so that delay built up after pushback: in the air, in a holding pattern or on the ground at LGA.
The worst days
Worst days for DL 2589
The latest arrival of the period was on 5 April 2026, 2 hours 36 minutes behind schedule; most of its delay minutes were filed as national airspace system delay. On three of the five worst days the largest share was filed as carrier-caused (crew, maintenance, fuelling, baggage).
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 5 April 2026 | 2 hours 36 minutes | National Airspace System |
| 19 December 2025 | 2 hours 17 minutes | National Airspace System |
| 17 March 2026 | 2 hours 16 minutes | Carrier |
| 12 March 2026 | 2 hours 14 minutes | Carrier |
| 2 December 2025 | 2 hours | Carrier |
Delay causes
Why DL 2589 runs late
National Airspace System accounts for 51% of the 3,035 delay minutes carriers reported here, and the remaining four split what is left.
- 51%National Airspace System
- 41%Carrier
- 8%Late-arriving aircraft
The largest share of delay minutes, 41%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 1,253 of the 3,035 delay minutes reported here. The split is drawn from 3,035 delay minutes reported on DL 2589.
Cancellations run at 3.01%, against 1.89% nationally. That is roughly one flight in 30 cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.
Connections and routes
What a delay on this flight costs
5.6% of arrivals land an hour or more late, close to the national 8.3%, so 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 502 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.
Every one of the 365 flights under DL 2589 in the data flew DTW to LGA. 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. 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 2589
For a booking, the cancellation rate is the figure to plan around on DL 2589: 3.01% of its 365 scheduled flights did not operate. A late arrival costs about an hour, but a cancellation costs the day, so leave a later option open.
Related
Where to go next
- DTW to LGA, every carrier and departure
- LGA to DTW, the return direction
- Delta Air Lines 2602 on the same route74.9%
- Delta Air Lines 2603 on the same route72.4%
- Delta Air Lines 1487 on the same route87.9%
- Republic Airways 4477 on the same route85.3%
- Delta Air Lines 2604 on the same route58.7%
- Detroit Metropolitan Wayne County (DTW) delay statistics
- LaGuardia (LGA) delay statistics
- Delta Air Lines on-time record
- Every Delta Air Lines flight number with a record
- The most and least reliable flight numbers in the US
- What a cancellation rate actually tells you (and what it hides)
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, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.