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(UA) United Airlines 4637 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(DEN) Denver International Airport

Denver, CO, US

(PIA) General Wayne A. Downing Peoria Intl Airport

Peoria, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
16
76%
Late
1
5%
Very Late
0
0%
Excessive
4
19%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
21
Total Delays ( > 1 min )
5
Codeshares
21
Average Delay (min.)
99.4
Standard Deviation
63.9
Min
0
Max
154

UA 4637 On-Time Performance Details

Overall Rating
1.4 of 5
Poor
Percentage On-Time 76%
Average Delay Time 99.4 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.4 shows that this flight has on-time performance characteristics better than 26% of all other flights in the FlightStats database.
On-Time Performance Rating
2.7 of 5
Average
Percentage On-Time 76%
This flight has an on-time performance of 76%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 54% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 99.4 min
This flight has an average delay of 99.4 minutes with a standard deviation of 63.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 0% of other flights.

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