AA2550 SFO → ORD

American Airlines · San Francisco, CA to Chicago, IL · 41 flights observed, 2026-05-21 to 2026-06-30 · 1,846 mi

This flight has been on time less than half the time (33%) — expect a real chance of a delay.

AA2550 covers more than one route in the data window — the stats below are for SFO → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
33%
Median delay
+49 min
90th percentile
+268 min
Cancellation rate
2%

How often is AA2550 on time?

Across 41 flights on SFO → ORD from 2026-05-21 to 2026-06-30, AA2550 arrived within 15 minutes of schedule 33% of the time. The median arrival delay was +49 min, and the worst 10% of flights arrived +268 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1333%
16-30 min38%
31-60 min718%
61-120 min615%
2+ hrs1128%

Performance by month

MonthFlightsOn-timeAvg delay
2026-051127%+126 min
2026-062934%+75 min

Performance by day of week

DayFlightsOn-time
Mon617%
Tue650%
Wed425%
Thu617%
Fri617%
Sat683%
Sun617%

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