ON TIMEBOARD
Delta Air Lines / BOS → EWR

DL 5829 on time

Delta Air Lines 5829: Boston to Newark at 12:55 p.m.; Newark to Boston at 3:10 p.m. (past 12 months). Figures below the title are for BOS → EWR, its busiest leg

On time
64%
237 flights · likely 57–70%
Cancelled
6.3%
of scheduled flights
Typical arrival
−1 min
median vs schedule
When late
+49 min
average delay
Similar flights
57%
DL, same route & hour

About 1 in 3 DL 5829 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (36%); 6.3% were cancelled. The typical flight landed 1 minutes early.

DL 5829: BOS → EWR

Scheduled to leave Boston at 12:55 p.m. local time, operated by Republic Airways as YX 5829. Over the past year it arrived on time 64% of the time (237 flights), better than other DL flights on the route at that hour (57%). Last seen in the data Aug 30, 2026.

Month by month

0%50%100%Apr 2025: 57% on time (30 flights)57AprMay 2025: 12% on time (26 flights)12MayJun 2025: too few flights (6 flights)JunDec 2025: too few flights (9 flights)DecJan 2026: 80% on time (30 flights)80JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 71% on time (31 flights)71MarApr 2026: 73% on time (30 flights)73AprMay 2026: 71% on time (31 flights)71MayJun 2026: 67% on time (27 flights)67JunJul 2026: 31% on time (26 flights)31JulAug 2026: 32% on time (25 flights)32Aug

By day of week

DayFlightsOn time
Monday3658%
Tuesday3675%
Wednesday3453%
Thursday3471%
Friday3669%
Saturday2576%
Sunday3647%

Why it was late

Air traffic & airport (NAS) 63%Airline (crew, maintenance, ops) 25%Late inbound plane 11%

All flights BOS → EWR · Connecting off DL 5829? Check the risk

DL 5829: EWR → BOS

Scheduled to leave Newark at 3:10 p.m. local time, operated by Republic Airways as YX 5829. Over the past year it arrived on time 63% of the time (237 flights), better than other DL flights on the route at that hour (57%). Last seen in the data Aug 30, 2026.

Month by month

10%55%100%Apr 2025: 60% on time (30 flights)60AprMay 2025: 15% on time (26 flights)15MayJun 2025: too few flights (6 flights)JunDec 2025: too few flights (9 flights)DecJan 2026: 80% on time (30 flights)80JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 58% on time (31 flights)58MarApr 2026: 63% on time (30 flights)63AprMay 2026: 65% on time (31 flights)65MayJun 2026: 67% on time (27 flights)67JunJul 2026: 38% on time (26 flights)38JulAug 2026: 56% on time (25 flights)56Aug

By day of week

DayFlightsOn time
Monday3664%
Tuesday3669%
Wednesday3453%
Thursday3456%
Friday3675%
Saturday2576%
Sunday3653%

Why it was late

Late inbound plane 43%Air traffic & airport (NAS) 34%Airline (crew, maintenance, ops) 20%Severe weather 3%

All flights EWR → BOS · Connecting off DL 5829? Check the risk

Questions

How often is DL 5829 from BOS to EWR late?

Delta Air Lines 5829 from Boston, MA to Newark, NJ arrived 15 or more minutes late, was diverted or was cancelled on 36% of 237 scheduled flights between September 2025 and August 2026. 6.3% were cancelled.

How often is DL 5829 from EWR to BOS late?

Delta Air Lines 5829 from Newark, NJ to Boston, MA arrived 15 or more minutes late, was diverted or was cancelled on 37% of 237 scheduled flights between September 2025 and August 2026. 6.8% 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.