ON TIMEBOARD

DL 2136 on time

Delta Air Lines 2136: Atlanta to San Jose at 4:59 p.m. (past 12 months)

On time
77%
178 flights · likely 70–83%
Cancelled
0.6%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+67 min
average delay
Similar flights
81%
DL, same route & hour

About 1 in 4 DL 2136 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (23%); 0.6% were cancelled. The typical flight landed 7 minutes early.

DL 2136: ATL → SJC

Scheduled to leave Atlanta at 4:59 p.m. local time. Over the past year it arrived on time 77% of the time (178 flights), worse than other DL flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%May 2025: 80% on time (20 flights)80MayJun 2025: 85% on time (26 flights)85JunJul 2025: 69% on time (26 flights)69JulAug 2025: 65% on time (20 flights)65AugSep 2025: 94% on time (17 flights)94SepOct 2025: 78% on time (23 flights)78OctNov 2025: 72% on time (18 flights)72NovDec 2025: 94% on time (17 flights)94DecMay 2026: 80% on time (20 flights)80MayJun 2026: 81% on time (26 flights)81JunJul 2026: 63% on time (27 flights)63JulAug 2026: 67% on time (30 flights)67Aug

By day of week

DayFlightsOn time
Monday3077%
Tuesday2886%
Wednesday2886%
Thursday2979%
Friday2969%
Saturday5—
Sunday2962%

Why it was late

Late inbound plane 35%Airline (crew, maintenance, ops) 35%Air traffic & airport (NAS) 21%Severe weather 10%

All flights ATL → SJC · Connecting off DL 2136? Check the risk

Questions

How often is DL 2136 from ATL to SJC late?

Delta Air Lines 2136 from Atlanta, GA to San Jose, CA arrived 15 or more minutes late, was diverted or was cancelled on 23% of 178 scheduled flights between September 2025 and August 2026. 0.6% 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.