DL1131 IAH → ATL

Delta Air Lines · Houston, TX to Atlanta, GA · 57 flights observed, 2025-07-06 to 2026-04-12 · 689 mi

This flight's reliability varies a lot by day of week — 89% on-time on Mondays vs. 50% on Sundays.

DL1131 covers more than one route in the data window — the stats below are for IAH → ATL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
70%
Median delay
-5 min
90th percentile
+79 min
Cancellation rate
5%

How often is DL1131 on time?

Across 57 flights on IAH → ATL from 2025-07-06 to 2026-04-12, DL1131 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +79 min or later. 5% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time3870%
16-30 min59%
31-60 min24%
61-120 min713%
2+ hrs24%

Performance by month

MonthFlightsOn-timeAvg delay
2025-071457%+14 min
2025-08667%+13 min
2026-032277%+10 min
2026-041275%+16 min

Performance by day of week

DayFlightsOn-time
Mon989%
Tue475%
Wed560%
Thu989%
Fri1060%
Sat580%
Sun1250%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…