
(UA) United Airlines 4637 On-Time Performance Rating
Date Range:
15-Jan-2026 to 15-Mar-2026
On-Time Performance Chart
(using rounded numbers)
On-Time
10
100%
Late
0
0%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%
Delay Statistics
(Aggregate Arrival Delay Statistics for this Flight)
Total Flights Observed
10
Total Delays ( > 1 min )
2
Codeshares
10
Average Delay (min.)
7.5
Standard Deviation
9.2
Min
0
Max
14
UA 4637 On-Time Performance Details
Other Stops for UA 4637
Origin
Destination
Rating
(BIL) Billings Logan International Airport
Billings, MT, US
(DEN) Denver International Airport
Denver, CO, US
3.9 Good
(DEN) Denver International Airport
Denver, CO, US
(PIA) General Wayne A. Downing Peoria Intl Airport
Peoria, IL, US
1.4 Poor
(PSC) Tri-Cities Airport
Pasco, WA, US
(SFO) San Francisco International Airport
San Francisco, CA, US
3.1 Average