ON TIMEBOARD

DL 2828 on time

Delta Air Lines 2828: Chicago to Boston at 7:00 a.m. (past 12 months)

On time
83%
141 flights · likely 76–88%
Cancelled
5.0%
of scheduled flights
Typical arrival
−13 min
median vs schedule
When late
+91 min
average delay
Similar flights
78%
DL, same route & hour

About 1 in 6 DL 2828 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (17%); 5.0% were cancelled. The typical flight landed 13 minutes early.

DL 2828: ORD → BOS

Scheduled to leave Chicago at 7:00 a.m. local time. Over the past year it arrived on time 83% of the time (141 flights), better than other DL flights on the route at that hour (78%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Apr 2026: 78% on time (18 flights)78AprMay 2026: 90% on time (31 flights)90MayJun 2026: 87% on time (30 flights)87JunJul 2026: 71% on time (31 flights)71JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday2190%
Tuesday2075%
Wednesday2085%
Thursday2085%
Friday2075%
Saturday2085%
Sunday2085%

Why it was late

Airline (crew, maintenance, ops) 68%Air traffic & airport (NAS) 29%Severe weather 3%

All flights ORD → BOS · Connecting off DL 2828? Check the risk

Questions

How often is DL 2828 from ORD to BOS late?

Delta Air Lines 2828 from Chicago, IL to Boston, MA arrived 15 or more minutes late, was diverted or was cancelled on 17% of 141 scheduled flights between September 2025 and August 2026. 5.0% 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.