AA639 ORD → TUS

American Airlines · Chicago, IL to Tucson, AZ · 44 flights observed, 2026-04-07 to 2026-05-20 · 1,437 mi

This flight has been on time less than half the time (37%) — expect a real chance of a delay.

AA639 covers more than one route in the data window — the stats below are for ORD → TUS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
37%
Median delay
+26 min
90th percentile
+81 min
Cancellation rate
2%

How often is AA639 on time?

Across 44 flights on ORD → TUS from 2026-04-07 to 2026-05-20, AA639 arrived within 15 minutes of schedule 37% of the time. The median arrival delay was +26 min, and the worst 10% of flights arrived +81 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1637%
16-30 min921%
31-60 min921%
61-120 min614%
2+ hrs37%

Performance by month

MonthFlightsOn-timeAvg delay
2026-042335%+70 min
2026-052040%+34 min

Performance by day of week

DayFlightsOn-time
Mon520%
Tue729%
Wed757%
Thu617%
Fri650%
Sat667%
Sun617%

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