ON TIMEBOARD

DL 1577 on time

Delta Air Lines 1577: Atlanta to Memphis at 9:49 p.m. (past 12 months)

On time
75%
224 flights · likely 69–80%
Cancelled
1.8%
of scheduled flights
Typical arrival
−4 min
median vs schedule
When late
+75 min
average delay
Similar flights
74%
DL, same route & hour

About 1 in 4 DL 1577 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (25%); 1.8% were cancelled. The typical flight landed 4 minutes early.

DL 1577: ATL → MEM

Scheduled to leave Atlanta at 9:49 p.m. local time. Over the past year it arrived on time 75% of the time (224 flights), in line with other DL flights on the route at that hour (74%). Last seen in the data Aug 30, 2026.

Month by month

20%60%100%Sep 2025: too few flights (13 flights)SepOct 2025: 88% on time (16 flights)88OctNov 2025: 86% on time (22 flights)86NovDec 2025: 68% on time (25 flights)68DecJan 2026: 64% on time (22 flights)64JanFeb 2026: 86% on time (22 flights)86FebMar 2026: 71% on time (21 flights)71MarApr 2026: 88% on time (17 flights)88AprMay 2026: 78% on time (18 flights)78MayJun 2026: 67% on time (15 flights)67JunJul 2026: 31% on time (16 flights)31JulAug 2026: 82% on time (17 flights)82Aug

By day of week

DayFlightsOn time
Monday4873%
Tuesday13—
Wednesday12—
Thursday4576%
Friday4781%
Saturday11—
Sunday4865%

Why it was late

Airline (crew, maintenance, ops) 44%Late inbound plane 37%Air traffic & airport (NAS) 13%Severe weather 6%

All flights ATL → MEM · Connecting off DL 1577? Check the risk

Questions

How often is DL 1577 from ATL to MEM late?

Delta Air Lines 1577 from Atlanta, GA to Memphis, TN arrived 15 or more minutes late, was diverted or was cancelled on 25% of 224 scheduled flights between September 2025 and August 2026. 1.8% 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.