SFO → ORD American Airlines

American Airlines · San Francisco, CA to Chicago, IL · 1,763 flights, 2025-07-01 to 2026-06-30 · aggregated across 33 flight numbers

This route runs much more reliably at some times of day than others — 100% on-time departing 12–3am vs. 57% departing 12–3pm.
On-time arrival
74%
Median delay
-8 min
90th percentile
+65 min
Cancellation rate
2%

How on-time is American Airlines from SFO to ORD?

Across every American Airlines flight number on SFO → ORD (1,763 flights, 2025-07-01 to 2026-06-30), 74% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +65 min or later. 2% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,26874%
16-30 min1378%
31-60 min1277%
61-120 min935%
2+ hrs956%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0717472%+40 min
2025-0817975%+8 min
2025-0917377%+13 min
2025-1018579%+17 min
2025-118983%-4 min
2025-128388%-9 min
2026-015175%+4 min
2026-0210685%+10 min
2026-0314872%+17 min
2026-0417160%+30 min
2026-0518766%+25 min
2026-0617470%+35 min

Performance by day of week

DayFlightsOn-time
Mon23771%
Tue25380%
Wed25674%
Thu24372%
Fri25070%
Sat23579%
Sun24670%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…