ON TIMEBOARD

DL 801 on time

Delta Air Lines 801: Atlanta to Baltimore at 8:55 a.m.; Baltimore to Atlanta at 11:52 a.m. (past 12 months). Figures below the title are for ATL → BWI, its busiest leg

On time
89%
331 flights · likely 85–92%
Cancelled
1.5%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+58 min
average delay
Similar flights
94%
DL, same route & hour

About 1 in 9 DL 801 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (11%); 1.5% were cancelled. The typical flight landed 6 minutes early.

DL 801: ATL → BWI

Scheduled to leave Atlanta at 8:55 a.m. local time. Over the past year it arrived on time 89% of the time (331 flights), worse than other DL flights on the route at that hour (94%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 100% on time (30 flights)100SepOct 2025: 92% on time (26 flights)92OctNov 2025: 91% on time (22 flights)91NovDec 2025: 65% on time (31 flights)65DecJan 2026: 80% on time (20 flights)80JanFeb 2026: 89% on time (18 flights)89FebMar 2026: 81% on time (31 flights)81MarApr 2026: 93% on time (30 flights)93AprMay 2026: 97% on time (31 flights)97MayJun 2026: 97% on time (30 flights)97JunJul 2026: 94% on time (31 flights)94JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday4892%
Tuesday4683%
Wednesday4698%
Thursday4687%
Friday4693%
Saturday5290%
Sunday4779%

Why it was late

Airline (crew, maintenance, ops) 53%Late inbound plane 29%Air traffic & airport (NAS) 18%

All flights ATL → BWI · Connecting off DL 801? Check the risk

DL 801: BWI → ATL

Scheduled to leave Baltimore at 11:52 a.m. local time. Over the past year it arrived on time 85% of the time (314 flights), worse than other DL flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 90% on time (30 flights)90SepOct 2025: 92% on time (26 flights)92OctNov 2025: 82% on time (22 flights)82NovDec 2025: 71% on time (31 flights)71DecJan 2026: too few flights (4 flights)JanFeb 2026: 82% on time (17 flights)82FebMar 2026: 84% on time (31 flights)84MarApr 2026: 93% on time (30 flights)93AprMay 2026: 97% on time (31 flights)97MayJun 2026: 93% on time (30 flights)93JunJul 2026: 90% on time (31 flights)90JulAug 2026: 65% on time (31 flights)65Aug

By day of week

DayFlightsOn time
Monday4689%
Tuesday4480%
Wednesday4493%
Thursday4484%
Friday4484%
Saturday4794%
Sunday4573%

Why it was late

Airline (crew, maintenance, ops) 42%Late inbound plane 39%Air traffic & airport (NAS) 19%

All flights BWI → ATL · Connecting off DL 801? Check the risk

Questions

How often is DL 801 from ATL to BWI late?

Delta Air Lines 801 from Atlanta, GA to Baltimore, MD arrived 15 or more minutes late, was diverted or was cancelled on 11% of 331 scheduled flights between September 2025 and August 2026. 1.5% were cancelled.

How often is DL 801 from BWI to ATL late?

Delta Air Lines 801 from Baltimore, MD to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 15% of 314 scheduled flights between September 2025 and August 2026. 1.3% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.