ON TIMEBOARD

DL 5627 on time

Delta Air Lines 5627: Boston to Indianapolis at 1:59 p.m. (past 12 months)

On time
80%
302 flights · likely 75–84%
Cancelled
2.3%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+64 min
average delay
Similar flights
80%
DL, same route & hour

About 1 in 5 DL 5627 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (20%); 2.3% were cancelled. The typical flight landed 6 minutes early.

DL 5627: BOS → IND

Scheduled to leave Boston at 1:59 p.m. local time, operated by Republic Airways as YX 5627. Over the past year it arrived on time 80% of the time (302 flights), in line with other DL flights on the route at that hour (80%). Last seen in the data Aug 30, 2026.

Month by month

40%70%100%Sep 2025: 88% on time (26 flights)88SepOct 2025: 79% on time (29 flights)79OctNov 2025: 82% on time (28 flights)82NovDec 2025: 79% on time (28 flights)79DecJan 2026: 69% on time (29 flights)69JanFeb 2026: 75% on time (28 flights)75FebMar 2026: too few flights (7 flights)MarApr 2026: 81% on time (16 flights)81AprMay 2026: 84% on time (25 flights)84MayJun 2026: 90% on time (29 flights)90JunJul 2026: 81% on time (31 flights)81JulAug 2026: 73% on time (26 flights)73Aug

By day of week

DayFlightsOn time
Monday4676%
Tuesday4785%
Wednesday4580%
Thursday4486%
Friday4689%
Saturday2962%
Sunday4576%

Why it was late

Airline (crew, maintenance, ops) 43%Late inbound plane 26%Air traffic & airport (NAS) 20%Severe weather 11%

All flights BOS → IND · Connecting off DL 5627? Check the risk

Questions

How often is DL 5627 from BOS to IND late?

Delta Air Lines 5627 from Boston, MA to Indianapolis, IN arrived 15 or more minutes late, was diverted or was cancelled on 20% of 302 scheduled flights between September 2025 and August 2026. 2.3% 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.