ON TIMEBOARD

DL 5718 on time

Delta Air Lines 5718: Boston to Newark at 6:15 p.m.; Newark to Boston at 8:40 p.m. (past 12 months). Figures below the title are for BOS → EWR, its busiest leg

On time
55%
295 flights · likely 49–60%
Cancelled
10.2%
of scheduled flights
Typical arrival
0 min
median vs schedule
When late
+64 min
average delay
Similar flights
53%
DL, same route & hour

About 1 in 2 DL 5718 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (45%); 10.2% were cancelled. The typical flight landed 0 minutes early.

DL 5718: BOS → EWR

Scheduled to leave Boston at 6:15 p.m. local time, operated by Republic Airways as YX 5718. Over the past year it arrived on time 55% of the time (295 flights), in line with other DL flights on the route at that hour (53%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Boston to Newark (100% of days). Delta Air Lines's last BOS–EWR flight was cancelled 9.0% of the time, against 5.4% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 6:25 a.m. the next morning.

Month by month

10%55%100%Sep 2025: 33% on time (27 flights)33SepOct 2025: 35% on time (26 flights)35OctNov 2025: 54% on time (24 flights)54NovDec 2025: 24% on time (17 flights)24DecJan 2026: 73% on time (22 flights)73JanFeb 2026: 68% on time (22 flights)68FebMar 2026: 78% on time (27 flights)78MarApr 2026: 69% on time (26 flights)69AprMay 2026: 72% on time (25 flights)72MayJun 2026: 65% on time (26 flights)65JunJul 2026: 33% on time (27 flights)33JulAug 2026: 50% on time (26 flights)50Aug

By day of week

DayFlightsOn time
Monday5159%
Tuesday5060%
Wednesday5058%
Thursday4949%
Friday4852%
Saturday2—
Sunday4551%

Why it was late

Air traffic & airport (NAS) 42%Late inbound plane 41%Airline (crew, maintenance, ops) 16%Severe weather 1%

All flights BOS → EWR · Connecting off DL 5718? Check the risk

DL 5718: EWR → BOS

Scheduled to leave Newark at 8:40 p.m. local time, operated by Republic Airways as YX 5718. Over the past year it arrived on time 61% of the time (295 flights), better than other DL flights on the route at that hour (57%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Newark to Boston (100% of days). Delta Air Lines's last EWR–BOS flight was cancelled 9.9% of the time, against 4.9% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 9:30 a.m. the next morning.

Month by month

20%60%100%Sep 2025: 33% on time (27 flights)33SepOct 2025: 42% on time (26 flights)42OctNov 2025: 63% on time (24 flights)63NovDec 2025: 47% on time (17 flights)47DecJan 2026: 86% on time (22 flights)86JanFeb 2026: 68% on time (22 flights)68FebMar 2026: 67% on time (27 flights)67MarApr 2026: 81% on time (26 flights)81AprMay 2026: 84% on time (25 flights)84MayJun 2026: 65% on time (26 flights)65JunJul 2026: 37% on time (27 flights)37JulAug 2026: 62% on time (26 flights)62Aug

By day of week

DayFlightsOn time
Monday5167%
Tuesday5068%
Wednesday5068%
Thursday4953%
Friday4860%
Saturday2—
Sunday4549%

Why it was late

Late inbound plane 51%Airline (crew, maintenance, ops) 20%Severe weather 18%Air traffic & airport (NAS) 11%

All flights EWR → BOS · Connecting off DL 5718? Check the risk

Questions

How often is DL 5718 from BOS to EWR late?

Delta Air Lines 5718 from Boston, MA to Newark, NJ arrived 15 or more minutes late, was diverted or was cancelled on 45% of 295 scheduled flights between September 2025 and August 2026. 10.2% were cancelled.

How often is DL 5718 from EWR to BOS late?

Delta Air Lines 5718 from Newark, NJ to Boston, MA arrived 15 or more minutes late, was diverted or was cancelled on 39% of 295 scheduled flights between September 2025 and August 2026. 11.2% 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.