AA991 ONT → DFW

American Airlines · Ontario, CA to Dallas/Fort Worth, TX · 61 flights observed, 2025-07-01 to 2026-06-30 · 1,188 mi

This flight's reliability varies a lot by day of week — 100% on-time on Wednesdays vs. 64% on Fridays.

AA991 covers more than one route in the data window — the stats below are for ONT → DFW, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
81%
Median delay
-12 min
90th percentile
+51 min
Cancellation rate
5%

How often is AA991 on time?

Across 61 flights on ONT → DFW from 2025-07-01 to 2026-06-30, AA991 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +51 min or later. 5% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4681%
16-30 min12%
31-60 min611%
61-120 min35%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2025-071587%+1 min
2025-08475%+15 min
2026-051070%-2 min
2026-062882%-1 min

Performance by day of week

DayFlightsOn-time
Mon888%
Tue1191%
Wed5100%
Thu683%
Fri1164%
Sat1080%
Sun667%

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