ON TIMEBOARD

DL 662 on time

Delta Air Lines 662: Portland to Atlanta at 6:00 a.m. (past 12 months)

On time
93%
365 flights · likely 89–95%
Cancelled
0.8%
of scheduled flights
Typical arrival
−12 min
median vs schedule
When late
+68 min
average delay
Similar flights
94%
DL, same route & hour

About 1 in 14 DL 662 flights from Portland arrived 15+ minutes late, diverted or cancelled over the past year (7%); 0.8% were cancelled. The typical flight landed 12 minutes early.

DL 662: PDX → ATL

Scheduled to leave Portland at 6:00 a.m. local time. Over the past year it arrived on time 93% of the time (365 flights), in line with other DL flights on the route at that hour (94%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 100% on time (30 flights)100SepOct 2025: 100% on time (31 flights)100OctNov 2025: 93% on time (30 flights)93NovDec 2025: 100% on time (31 flights)100DecJan 2026: 94% on time (31 flights)94JanFeb 2026: 96% on time (28 flights)96FebMar 2026: 94% on time (31 flights)94MarApr 2026: 90% on time (30 flights)90AprMay 2026: 84% on time (31 flights)84MayJun 2026: 80% on time (30 flights)80JunJul 2026: 84% on time (31 flights)84JulAug 2026: 97% on time (31 flights)97Aug

By day of week

DayFlightsOn time
Monday5391%
Tuesday5296%
Wednesday5296%
Thursday5292%
Friday5288%
Saturday5294%
Sunday5290%

Why it was late

Airline (crew, maintenance, ops) 56%Late inbound plane 22%Air traffic & airport (NAS) 20%Severe weather 2%

All flights PDX → ATL · Connecting off DL 662? Check the risk

Questions

How often is DL 662 from PDX to ATL late?

Delta Air Lines 662 from Portland, OR to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 7% of 365 scheduled flights between September 2025 and August 2026. 0.8% 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.