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(UA) United Airlines 537 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
35
95%
Late
1
3%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
1
3%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
36
Total Delays ( > 1 min )
4
Codeshares
0
Average Delay (min.)
8.75
Standard Deviation
9.1
Min
0
Max
22

UA 537 On-Time Performance Details

Overall Rating
4.6 of 5
Very Good
Percentage On-Time 97%
Average Delay Time 8.75 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.6 shows that this flight has on-time performance characteristics better than 90% of all other flights in the FlightStats database.
On-Time Performance Rating
5.0 of 5
Very Good
Percentage On-Time 97%
This flight has an on-time performance of 97%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 100% of other flights.
Delay Performance
4.1 of 5
Good
Average Delay Time 8.75 min
This flight has an average delay of 8.75 minutes with a standard deviation of 9.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 82% of other flights.

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