ON TIMEBOARD

DL 549 on time

Delta Air Lines 549: Atlanta to Las Vegas at 12:15 p.m. (past 12 months)

On time
77%
347 flights · likely 72–81%
Cancelled
0.3%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+55 min
average delay
Similar flights
84%
DL, same route & hour

About 1 in 4 DL 549 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (23%); 0.3% were cancelled. The typical flight landed 3 minutes early.

DL 549: ATL → LAS

Scheduled to leave Atlanta at 12:15 p.m. local time. Over the past year it arrived on time 77% of the time (347 flights), worse than other DL flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: 71% on time (31 flights)71OctNov 2025: 97% on time (29 flights)97NovDec 2025: 95% on time (19 flights)95DecJan 2026: 81% on time (27 flights)81JanFeb 2026: 64% on time (28 flights)64FebMar 2026: 74% on time (31 flights)74MarApr 2026: 83% on time (30 flights)83AprMay 2026: 81% on time (31 flights)81MayJun 2026: 67% on time (30 flights)67JunJul 2026: 68% on time (31 flights)68JulAug 2026: 60% on time (30 flights)60Aug

By day of week

DayFlightsOn time
Monday5176%
Tuesday5070%
Wednesday5090%
Thursday5082%
Friday4969%
Saturday4971%
Sunday4877%

Why it was late

Airline (crew, maintenance, ops) 50%Air traffic & airport (NAS) 26%Late inbound plane 21%Severe weather 3%

All flights ATL → LAS · Connecting off DL 549? Check the risk

Questions

How often is DL 549 from ATL to LAS late?

Delta Air Lines 549 from Atlanta, GA to Las Vegas, NV arrived 15 or more minutes late, was diverted or was cancelled on 23% of 347 scheduled flights between September 2025 and August 2026. 0.3% 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.