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(UA) United Airlines 5231 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(SBN) South Bend International Airport

South Bend, IN, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
45
71%
Late
6
10%
Very Late
3
5%
Excessive
6
10%
Cancelled
1
2%
Diverted
2
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
61
Total Delays ( > 1 min )
26
Codeshares
61
Average Delay (min.)
37.88461538461539
Standard Deviation
52.8
Min
0
Max
229

UA 5231 On-Time Performance Details

Overall Rating
1.0 of 5
Poor
Percentage On-Time 74%
Average Delay Time 37.88461538461539 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1 shows that this flight has on-time performance characteristics better than 19% of all other flights in the FlightStats database.
On-Time Performance Rating
0.8 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 16% of other flights.
Delay Performance
1.2 of 5
Poor
Average Delay Time 37.88461538461539 min
This flight has an average delay of 37.88461538461539 minutes with a standard deviation of 52.8 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 24% of other flights.