ON TIMEBOARD

DL 4984 on time

Delta Air Lines 4984: New York to Indianapolis at 1:59 p.m.; Indianapolis to New York at 5:15 p.m. (past 12 months). Figures below the title are for JFK → IND, its busiest leg

On time
75%
340 flights · likely 70–79%
Cancelled
5.0%
of scheduled flights
Typical arrival
−10 min
median vs schedule
When late
+65 min
average delay
Similar flights
75%
DL, same route & hour

About 1 in 4 DL 4984 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (25%); 5.0% were cancelled. The typical flight landed 10 minutes early.

DL 4984: JFK → IND

Scheduled to leave New York at 1:59 p.m. local time, operated by Endeavor Air as 9E 4984. Over the past year it arrived on time 75% of the time (340 flights), in line with other DL flights on the route at that hour (75%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 93% on time (30 flights)93SepOct 2025: 84% on time (31 flights)84OctNov 2025: 86% on time (29 flights)86NovDec 2025: 74% on time (19 flights)74DecJan 2026: 48% on time (27 flights)48JanFeb 2026: 57% on time (28 flights)57FebMar 2026: 84% on time (31 flights)84MarApr 2026: 77% on time (22 flights)77AprMay 2026: 84% on time (31 flights)84MayJun 2026: 80% on time (30 flights)80JunJul 2026: 68% on time (31 flights)68JulAug 2026: 61% on time (31 flights)61Aug

By day of week

DayFlightsOn time
Monday4967%
Tuesday4984%
Wednesday4980%
Thursday4978%
Friday4877%
Saturday4971%
Sunday4768%

Why it was late

Late inbound plane 51%Airline (crew, maintenance, ops) 28%Air traffic & airport (NAS) 19%Severe weather 1%

All flights JFK → IND · Connecting off DL 4984? Check the risk

DL 4984: IND → JFK

Scheduled to leave Indianapolis at 5:15 p.m. local time, operated by Endeavor Air as 9E 4984. Over the past year it arrived on time 68% of the time (241 flights), in line with other DL flights on the route at that hour (68%). Last seen in the data Aug 31, 2026.

Usually Delta Air Lines's last flight of the day from Indianapolis to New York (100% of days). Delta Air Lines's last IND–JFK flight was cancelled 8.3% of the time, against 4.7% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 6:50 a.m. the next morning.

Month by month

40%70%100%Oct 2024: 92% on time (25 flights)92OctNov 2024: too few flights (10 flights)NovAug 2025: 71% on time (21 flights)71AugSep 2025: too few flights (10 flights)SepJan 2026: 63% on time (27 flights)63JanFeb 2026: 75% on time (28 flights)75FebMar 2026: 77% on time (31 flights)77MarApr 2026: 77% on time (22 flights)77AprMay 2026: 74% on time (31 flights)74MayJun 2026: 57% on time (30 flights)57JunJul 2026: 58% on time (31 flights)58JulAug 2026: 65% on time (31 flights)65Aug

By day of week

DayFlightsOn time
Monday3563%
Tuesday3577%
Wednesday3574%
Thursday3462%
Friday3474%
Saturday3563%
Sunday3364%

Why it was late

Air traffic & airport (NAS) 48%Late inbound plane 33%Airline (crew, maintenance, ops) 17%Severe weather 2%

All flights IND → JFK · Connecting off DL 4984? Check the risk

Questions

How often is DL 4984 from JFK to IND late?

Delta Air Lines 4984 from New York, NY to Indianapolis, IN arrived 15 or more minutes late, was diverted or was cancelled on 25% of 340 scheduled flights between September 2025 and August 2026. 5.0% were cancelled.

How often is DL 4984 from IND to JFK late?

Delta Air Lines 4984 from Indianapolis, IN to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 32% of 241 scheduled flights between September 2025 and August 2026. 10.8% 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.