ON TIMEBOARD

DL 2131 on time

Delta Air Lines 2131: Philadelphia to Atlanta at 4:06 p.m. (past 12 months)

On time
69%
137 flights · likely 61–76%
Cancelled
1.5%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+91 min
average delay
Similar flights
77%
DL, same route & hour

About 1 in 3 DL 2131 flights from Philadelphia arrived 15+ minutes late, diverted or cancelled over the past year (31%); 1.5% were cancelled. The typical flight landed 8 minutes early.

DL 2131: PHL → ATL

Scheduled to leave Philadelphia at 4:06 p.m. local time. Over the past year it arrived on time 69% of the time (137 flights), worse than other DL flights on the route at that hour (77%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Oct 2024: too few flights (6 flights)OctNov 2024: too few flights (1 flights)NovJan 2025: 81% on time (26 flights)81JanFeb 2025: 75% on time (28 flights)75FebMar 2025: 81% on time (31 flights)81MarApr 2025: 80% on time (20 flights)80AprMay 2025: too few flights (5 flights)MayApr 2026: 69% on time (16 flights)69AprMay 2026: 69% on time (29 flights)69MayJun 2026: 77% on time (30 flights)77JunJul 2026: 58% on time (31 flights)58JulAug 2026: 74% on time (31 flights)74Aug

By day of week

DayFlightsOn time
Monday2171%
Tuesday2065%
Wednesday2080%
Thursday2070%
Friday2055%
Saturday17—
Sunday19—

Why it was late

Late inbound plane 34%Severe weather 25%Airline (crew, maintenance, ops) 21%Air traffic & airport (NAS) 21%

All flights PHL → ATL · Connecting off DL 2131? Check the risk

Questions

How often is DL 2131 from PHL to ATL late?

Delta Air Lines 2131 from Philadelphia, PA to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 31% of 137 scheduled flights between September 2025 and August 2026. 1.5% 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.