ON TIMEBOARD

DL 856 on time

Delta Air Lines 856: New York to Dallas at 12:35 p.m.; Dallas to New York at 4:43 p.m. (past 12 months). Figures below the title are for LGA → DFW, its busiest leg

On time
76%
208 flights · likely 70–81%
Cancelled
5.3%
of scheduled flights
Typical arrival
−11 min
median vs schedule
When late
+62 min
average delay
Similar flights
74%
DL, same route & hour

About 1 in 4 DL 856 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (24%); 5.3% were cancelled. The typical flight landed 11 minutes early.

DL 856: LGA → DFW

Scheduled to leave New York at 12:35 p.m. local time. Over the past year it arrived on time 76% of the time (208 flights), in line with other DL flights on the route at that hour (74%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Mar 2025: 75% on time (20 flights)75MarApr 2025: 81% on time (26 flights)81AprMay 2025: 74% on time (27 flights)74MayJun 2025: too few flights (6 flights)JunJan 2026: 78% on time (23 flights)78JanFeb 2026: 71% on time (24 flights)71FebMar 2026: 74% on time (27 flights)74MarApr 2026: 79% on time (28 flights)79AprMay 2026: 70% on time (27 flights)70MayJun 2026: 77% on time (26 flights)77JunJul 2026: 89% on time (27 flights)89JulAug 2026: 69% on time (26 flights)69Aug

By day of week

DayFlightsOn time
Monday3577%
Tuesday3479%
Wednesday3476%
Thursday3482%
Friday3471%
Saturday3—
Sunday3471%

Why it was late

Airline (crew, maintenance, ops) 55%Air traffic & airport (NAS) 41%Late inbound plane 4%

All flights LGA → DFW · Connecting off DL 856? Check the risk

DL 856: DFW → LGA

Scheduled to leave Dallas at 4:43 p.m. local time. Over the past year it arrived on time 60% of the time (151 flights), worse than other DL flights on the route at that hour (64%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Dec 2024: 81% on time (16 flights)81DecMar 2025: 70% on time (20 flights)70MarApr 2025: too few flights (11 flights)AprMay 2025: 55% on time (22 flights)55MayJun 2025: too few flights (6 flights)JunFeb 2026: too few flights (14 flights)FebMar 2026: 56% on time (27 flights)56MarApr 2026: too few flights (10 flights)AprMay 2026: 52% on time (21 flights)52MayJun 2026: 62% on time (26 flights)62JunJul 2026: 56% on time (27 flights)56JulAug 2026: 69% on time (26 flights)69Aug

By day of week

DayFlightsOn time
Monday2560%
Tuesday2463%
Wednesday2458%
Thursday2646%
Friday2669%
Sunday2665%

Why it was late

Air traffic & airport (NAS) 46%Airline (crew, maintenance, ops) 31%Late inbound plane 21%Security 2%

All flights DFW → LGA · Connecting off DL 856? Check the risk

Questions

How often is DL 856 from LGA to DFW late?

Delta Air Lines 856 from New York, NY to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 24% of 208 scheduled flights between September 2025 and August 2026. 5.3% were cancelled.

How often is DL 856 from DFW to LGA late?

Delta Air Lines 856 from Dallas/Fort Worth, TX to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 40% of 151 scheduled flights between September 2025 and August 2026. 6.0% 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.