Flight number record
DL 2590
Delta Air Lines · Atlanta to Baltimore
- Route
- ATL → BWI
- Departs
- 23:05
- Flights
- 361
- Period
- July 2025 to June 2026
Historical statistics for July 2025 to June 2026, not live status. For today’s DL 2590, check with Delta Air Lines.
DL 2590 lands a B−, level with the national rate of 77.6%. Roughly one flight in four 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 361 flights, with a median arrival 3 minutes early.
Key figures
On time
77.1%
Arrivals under 15 minutes late, of 349 completed flights
Avg delay
61 min
Across delayed arrivals only, not all flights
Cancelled
3.05%
National rate is 1.81%
1 hour+ late
7.7%
National rate is 8.1%
These figures cover 361 flights between July 2025 and June 2026. The median arrival is 3 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 2590 flies
DL 2590 flies ATL to BWI without a single fixed slot. Its most common scheduled departure was 23:05, used on 93 of 361 flights, with 22:53 (57 flights) next. Carriers retime flights through the season, so the rates here blend slightly different positions in the aircraft's day.
- Departs 23:0593 flights25.8%
- Departs 22:5357 flights15.8%
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 23:05 departure sits in the 8pm–5am window. Across every US flight scheduled in that window the on-time rate is 70.5%, and DL 2590 runs 7 points better at 77.1%. 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 2590 next to ATL to BWI
Every carrier on ATL to BWI combined arrived on time 75.6% of the time across 5,414 flights, so DL 2590 is 2 points ahead of it. Delta flew 2,824 flights on the same city pair under all its flight numbers, including this one, and those ran 78.3% on time. Across its whole network Delta Air Lines managed 81.6%, which this flight trails by 5 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| DL 2590thin sample | 361 | 77.1% | 61 min | 3.05% | B− |
| All Delta Air Lines on ATL–BWI | 2,824 | 78.3% | 59 min | 1.95% | B |
| All carriers on ATL–BWI | 5,414 | 75.6% | 63 min | 1.98% | B |
| Delta Air Lines, whole network | 1,038,570 | 81.6% | 71 min | 1.62% | B |
Across the year
DL 2590 quarter by quarter
DL 2590 did not run the same all year. Its best quarter was Oct–Dec 2025 at 82.8% on time and its weakest Jul–Sep 2025 at 68.5%, a swing of 14 points on roughly 90 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 flights68.5%
- Oct–Dec 202591 flights82.8%
- Jan–Mar 202687 flights80.2%
- Apr–Jun 202691 flights77.5%
Scale runs 60% to 90%. Rows with fewer than 30 flights show a dash.
By weekday, DL 2590 did best on Wednesday at 92.2% on time and worst on Sunday at 54.8%. Each day rests on about 52 flights, so a gap of 37 points is worth noticing but could still narrow in another year.
Delay causes
Why DL 2590 runs late
One category carries most of the weight here. Carrier accounts for 61% of the 4,858 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.
- 61%Carrier
- 26%Late-arriving aircraft
- 9%National Airspace System
- 4%Extreme weather
The largest share of delay minutes, 61%, 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 2,965 of the 4,858 delay minutes reported here. The split is drawn from 4,858 delay minutes reported on DL 2590.
Cancellations run at 3.05%, against 1.81% 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
7.7% 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 577 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 LAX to PHX (1), but none flew often enough under DL 2590 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to ATL to BWI only.
One caution: this is a thin sample. 361 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 2590
For a booking, the cancellation rate is the figure to plan around on DL 2590: 3.05% of its 361 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
- ATL to BWI, every carrier and departure
- BWI to ATL, the return direction
- Delta Air Lines 2928 on the same route71.5%
- Delta Air Lines 2711 on the same route87.2%
- Delta Air Lines 801 on the same route90.5%
- Delta Air Lines 1267 on the same route68.6%
- Delta Air Lines 1257 on the same route71.1%
- Delta Air Lines 2799 on the same route79.1%
- Hartsfield-Jackson Atlanta International (ATL) delay statistics
- Baltimore/Washington International Thurgood Marshall (BWI) 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, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.