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Delta Air Lines / IAH → ATL

DL 1572 on time

Delta Air Lines 1572: Houston to Atlanta at 2:59 p.m.; Atlanta to Houston at 1:45 p.m. (past 12 months). Figures below the title are for IAH → ATL, its busiest leg

On time
77%
307 flights · likely 72–81%
Cancelled
1.3%
of scheduled flights
Typical arrival
−8 min
median vs schedule
When late
+71 min
average delay
Similar flights
68%
DL, same route & hour

About 1 in 4 DL 1572 flights from Houston arrived 15+ minutes late, diverted or cancelled over the past year (23%); 1.3% were cancelled. The typical flight landed 8 minutes early.

DL 1572: IAH → ATL

Scheduled to leave Houston at 2:59 p.m. local time. Over the past year it arrived on time 77% of the time (307 flights), better than other DL flights on the route at that hour (68%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: 77% on time (30 flights)77OctNov 2025: 86% on time (28 flights)86NovDec 2025: 79% on time (19 flights)79DecJan 2026: too few flights (11 flights)JanFeb 2026: too few flights (12 flights)FebMar 2026: 72% on time (25 flights)72MarApr 2026: 87% on time (30 flights)87AprMay 2026: 83% on time (30 flights)83MayJun 2026: 67% on time (30 flights)67JunJul 2026: 52% on time (31 flights)52JulAug 2026: 77% on time (31 flights)77Aug

By day of week

DayFlightsOn time
Monday4683%
Tuesday4475%
Wednesday4482%
Thursday4372%
Friday4377%
Saturday4582%
Sunday4267%

Why it was late

Late inbound plane 33%Air traffic & airport (NAS) 32%Airline (crew, maintenance, ops) 32%Severe weather 3%

All flights IAH → ATL · Connecting off DL 1572? Check the risk

DL 1572: ATL → IAH

Scheduled to leave Atlanta at 1:45 p.m. local time. Over the past year it arrived on time 86% of the time (200 flights), better than 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: 67% on time (27 flights)67JunJul 2025: 66% on time (29 flights)66JulAug 2025: 83% on time (30 flights)83AugSep 2025: 90% on time (30 flights)90SepOct 2025: 84% on time (31 flights)84OctNov 2025: 97% on time (30 flights)97NovDec 2025: 79% on time (19 flights)79DecFeb 2026: too few flights (3 flights)FebMar 2026: too few flights (1 flights)MarJun 2026: 79% on time (24 flights)79JunJul 2026: 77% on time (31 flights)77JulAug 2026: 87% on time (31 flights)87Aug

By day of week

DayFlightsOn time
Monday2979%
Tuesday2889%
Wednesday2886%
Thursday2886%
Friday2886%
Saturday3194%
Sunday2879%

Why it was late

Airline (crew, maintenance, ops) 55%Air traffic & airport (NAS) 29%Late inbound plane 14%Severe weather 1%

All flights ATL → IAH · Connecting off DL 1572? Check the risk

Questions

How often is DL 1572 from IAH to ATL late?

Delta Air Lines 1572 from Houston, TX to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 23% of 307 scheduled flights between September 2025 and August 2026. 1.3% were cancelled.

How often is DL 1572 from ATL to IAH late?

Delta Air Lines 1572 from Atlanta, GA to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 15% of 200 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.