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(UA) United Airlines 543 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-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
35
57%
Late
11
18%
Very Late
4
7%
Excessive
10
16%
Cancelled
1
2%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
39
Codeshares
0
Average Delay (min.)
41.69230769230769
Standard Deviation
67.9
Min
0
Max
327

UA 543 On-Time Performance Details

Overall Rating
0.4 of 5
Very Poor
Percentage On-Time 57%
Average Delay Time 41.69230769230769 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 0.4 shows that this flight has on-time performance characteristics better than 6% of all other flights in the FlightStats database.
On-Time Performance Rating
0.0 of 5
Very Poor
Percentage On-Time 57%
This flight has an on-time performance of 57%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 0% of other flights.
Delay Performance
0.7 of 5
Poor
Average Delay Time 41.69230769230769 min
This flight has an average delay of 41.69230769230769 minutes with a standard deviation of 67.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 14% of other flights.

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