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(AA) American Airlines 1557 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
28
74%
Late
3
8%
Very Late
1
3%
Excessive
6
16%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
38
Total Delays ( > 1 min )
19
Codeshares
0
Average Delay (min.)
36.89473684210526
Standard Deviation
45.5
Min
0
Max
151

AA 1557 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 74%
Average Delay Time 36.89473684210526 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 25% of all other flights in the FlightStats database.
On-Time Performance Rating
1.1 of 5
Poor
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 21% of other flights.
Delay Performance
1.5 of 5
Poor
Average Delay Time 36.89473684210526 min
This flight has an average delay of 36.89473684210526 minutes with a standard deviation of 45.5 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 31% of other flights.

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