ON TIMEBOARD

DL 5668 on time

Delta Air Lines 5668: Baltimore to Boston at 1:45 p.m.; Boston to Baltimore at 11:10 a.m. (past 12 months). Figures below the title are for BWI → BOS, its busiest leg

On time
73%
203 flights · likely 66–79%
Cancelled
3.9%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+60 min
average delay
Similar flights
79%
DL, same route & hour

About 1 in 4 DL 5668 flights from Baltimore arrived 15+ minutes late, diverted or cancelled over the past year (27%); 3.9% were cancelled. The typical flight landed 11 minutes early.

DL 5668: BWI → BOS

Scheduled to leave Baltimore at 1:45 p.m. local time, operated by Republic Airways as YX 5668. Over the past year it arrived on time 73% of the time (203 flights), worse than other DL flights on the route at that hour (79%). Last seen in the data Aug 28, 2026.

Month by month

40%70%100%Mar 2025: 87% on time (31 flights)87MarApr 2025: 85% on time (27 flights)85AprMay 2025: 52% on time (25 flights)52MayJun 2025: too few flights (6 flights)JunJan 2026: 78% on time (27 flights)78JanFeb 2026: 76% on time (25 flights)76FebMar 2026: 83% on time (30 flights)83MarApr 2026: 73% on time (30 flights)73AprMay 2026: 81% on time (26 flights)81MayJun 2026: 77% on time (22 flights)77JunJul 2026: 61% on time (23 flights)61JulAug 2026: 45% on time (20 flights)45Aug

By day of week

DayFlightsOn time
Monday3465%
Tuesday3474%
Wednesday3476%
Thursday3474%
Friday3471%
Saturday13—
Sunday2075%

Why it was late

Air traffic & airport (NAS) 63%Late inbound plane 15%Airline (crew, maintenance, ops) 15%Severe weather 7%

All flights BWI → BOS · Connecting off DL 5668? Check the risk

DL 5668: BOS → BWI

Scheduled to leave Boston at 11:10 a.m. local time, operated by Republic Airways as YX 5668. Over the past year it arrived on time 81% of the time (194 flights), in line with other DL flights on the route at that hour (82%). Last seen in the data Aug 28, 2026.

Month by month

40%70%100%Mar 2025: 87% on time (31 flights)87MarApr 2025: 85% on time (27 flights)85AprMay 2025: 84% on time (25 flights)84MayJun 2025: too few flights (6 flights)JunJan 2026: 73% on time (22 flights)73JanFeb 2026: 75% on time (24 flights)75FebMar 2026: 90% on time (30 flights)90MarApr 2026: 82% on time (28 flights)82AprMay 2026: 84% on time (25 flights)84MayJun 2026: 91% on time (22 flights)91JunJul 2026: 61% on time (23 flights)61JulAug 2026: 90% on time (20 flights)90Aug

By day of week

DayFlightsOn time
Monday3474%
Tuesday3485%
Wednesday3476%
Thursday3485%
Friday3482%
Saturday5—
Sunday19—

Why it was late

Airline (crew, maintenance, ops) 57%Air traffic & airport (NAS) 27%Late inbound plane 16%

All flights BOS → BWI · Connecting off DL 5668? Check the risk

Questions

How often is DL 5668 from BWI to BOS late?

Delta Air Lines 5668 from Baltimore, MD to Boston, MA arrived 15 or more minutes late, was diverted or was cancelled on 27% of 203 scheduled flights between September 2025 and August 2026. 3.9% were cancelled.

How often is DL 5668 from BOS to BWI late?

Delta Air Lines 5668 from Boston, MA to Baltimore, MD arrived 15 or more minutes late, was diverted or was cancelled on 19% of 194 scheduled flights between September 2025 and August 2026. 3.6% 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.