ON TIMEBOARD

DL 997 on time

Delta Air Lines 997: Atlanta to New York at 5:00 p.m. (past 12 months)

On time
62%
349 flights · likely 57–67%
Cancelled
5.4%
of scheduled flights
Typical arrival
+1 min
median vs schedule
When late
+80 min
average delay
Similar flights
60%
DL, same route & hour

About 1 in 3 DL 997 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (38%); 5.4% were cancelled. The typical flight landed 1 minutes late.

DL 997: ATL → LGA

Scheduled to leave Atlanta at 5:00 p.m. local time. Over the past year it arrived on time 62% of the time (349 flights), in line with other DL flights on the route at that hour (60%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 83% on time (30 flights)83SepOct 2025: 65% on time (31 flights)65OctNov 2025: 50% on time (30 flights)50NovDec 2025: 47% on time (19 flights)47DecJan 2026: 78% on time (27 flights)78JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 58% on time (31 flights)58MarApr 2026: 67% on time (30 flights)67AprMay 2026: 61% on time (31 flights)61MayJun 2026: 57% on time (30 flights)57JunJul 2026: 45% on time (31 flights)45JulAug 2026: 55% on time (31 flights)55Aug

By day of week

DayFlightsOn time
Monday5155%
Tuesday5064%
Wednesday5068%
Thursday5054%
Friday5060%
Saturday4980%
Sunday4957%

Why it was late

Air traffic & airport (NAS) 57%Airline (crew, maintenance, ops) 26%Late inbound plane 11%Severe weather 6%

All flights ATL → LGA · Connecting off DL 997? Check the risk

Questions

How often is DL 997 from ATL to LGA late?

Delta Air Lines 997 from Atlanta, GA to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 38% of 349 scheduled flights between September 2025 and August 2026. 5.4% 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.