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(UA) United Airlines 2811 On-Time Performance Rating

Date Range:

15-May-2026 to 15-Jul-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(ATL) Atlanta Hartsfield-Jackson International Airport

Atlanta, GA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
17
74%
Late
2
9%
Very Late
2
9%
Excessive
1
4%
Cancelled
1
4%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
23
Total Delays ( > 1 min )
6
Codeshares
0
Average Delay (min.)
30.666666666666668
Standard Deviation
20.2
Min
0
Max
58

UA 2811 On-Time Performance Details

Overall Rating
3.0 of 5
Average
Percentage On-Time 74%
Average Delay Time 30.666666666666668 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3 shows that this flight has on-time performance characteristics better than 59% of all other flights in the FlightStats database.
On-Time Performance Rating
2.9 of 5
Average
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 58% of other flights.
Delay Performance
3.1 of 5
Average
Average Delay Time 30.666666666666668 min
This flight has an average delay of 30.666666666666668 minutes with a standard deviation of 20.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 62% of other flights.

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