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(UA) United Airlines 637 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(AUS) Austin-Bergstrom International Airport

Austin, TX, US

(LAX) Los Angeles International Airport

Los Angeles, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
49
83%
Late
4
7%
Very Late
1
2%
Excessive
4
7%
Cancelled
0
0%
Diverted
1
2%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
58
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
66.81818181818181
Standard Deviation
95.4
Min
0
Max
323

UA 637 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 85%
Average Delay Time 66.81818181818181 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 2.3 shows that this flight has on-time performance characteristics better than 45% of all other flights in the FlightStats database.
On-Time Performance Rating
4.5 of 5
Good
Percentage On-Time 85%
This flight has an on-time performance of 85%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 90% of other flights.
Delay Performance
0.1 of 5
Very Poor
Average Delay Time 66.81818181818181 min
This flight has an average delay of 66.81818181818181 minutes with a standard deviation of 95.4 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 3% of other flights.

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