ON TIMEBOARD
Delta Air Lines / ATL → BUF

DL 2266 on time

Delta Air Lines 2266: Atlanta to Buffalo at 2:00 p.m.; Buffalo to Atlanta at 5:12 p.m. (past 12 months). Figures below the title are for ATL → BUF, its busiest leg

On time
81%
213 flights · likely 75–86%
Cancelled
0.0%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+49 min
average delay
Similar flights
81%
DL, same route & hour

About 1 in 5 DL 2266 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (19%); 0.0% were cancelled. The typical flight landed 3 minutes early.

DL 2266: ATL → BUF

Scheduled to leave Atlanta at 2:00 p.m. local time. Over the past year it arrived on time 81% of the time (213 flights), in line with other DL flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jun 2025: 65% on time (23 flights)65JunJul 2025: 71% on time (31 flights)71JulAug 2025: 81% on time (31 flights)81AugSep 2025: 83% on time (30 flights)83SepOct 2025: 84% on time (31 flights)84OctNov 2025: too few flights (10 flights)NovDec 2025: too few flights (2 flights)DecApr 2026: 78% on time (18 flights)78AprMay 2026: 71% on time (31 flights)71MayJun 2026: 87% on time (30 flights)87JunJul 2026: 67% on time (30 flights)67JulAug 2026: 97% on time (31 flights)97Aug

By day of week

DayFlightsOn time
Monday3177%
Tuesday3083%
Wednesday3090%
Thursday3080%
Friday3080%
Saturday3382%
Sunday2976%

Why it was late

Airline (crew, maintenance, ops) 38%Air traffic & airport (NAS) 38%Late inbound plane 18%Severe weather 6%

All flights ATL → BUF · Connecting off DL 2266? Check the risk

DL 2266: BUF → ATL

Scheduled to leave Buffalo at 5:12 p.m. local time. Over the past year it arrived on time 78% of the time (203 flights), in line with other DL flights on the route at that hour (79%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jun 2025: 48% on time (23 flights)48JunJul 2025: 68% on time (31 flights)68JulAug 2025: 77% on time (31 flights)77AugSep 2025: 97% on time (30 flights)97SepOct 2025: 85% on time (27 flights)85OctNov 2025: too few flights (4 flights)NovDec 2025: too few flights (2 flights)DecApr 2026: 78% on time (18 flights)78AprMay 2026: 65% on time (31 flights)65MayJun 2026: 90% on time (30 flights)90JunJul 2026: 63% on time (30 flights)63JulAug 2026: 71% on time (31 flights)71Aug

By day of week

DayFlightsOn time
Monday3073%
Tuesday2889%
Wednesday2896%
Thursday2875%
Friday2864%
Saturday3379%
Sunday2868%

Why it was late

Late inbound plane 58%Air traffic & airport (NAS) 30%Airline (crew, maintenance, ops) 11%Severe weather 1%

All flights BUF → ATL · Connecting off DL 2266? Check the risk

Questions

How often is DL 2266 from ATL to BUF late?

Delta Air Lines 2266 from Atlanta, GA to Buffalo, NY arrived 15 or more minutes late, was diverted or was cancelled on 19% of 213 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

How often is DL 2266 from BUF to ATL late?

Delta Air Lines 2266 from Buffalo, NY to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 22% of 203 scheduled flights between September 2025 and August 2026. 0.5% 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.