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(UA) United Airlines 636 On-Time Performance Rating

Date Range:

15-Dec-2025 to 15-Feb-2026

(HDN) Yampa Valley Regional Airport

Hayden, CO, US

(ORD) Chicago O'Hare International Airport

Chicago, IL, US

On-Time Performance Chart

(using rounded numbers)
On-Time
34
79%
Late
1
2%
Very Late
2
5%
Excessive
4
9%
Cancelled
0
0%
Diverted
2
5%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
41
Total Delays ( > 1 min )
11
Codeshares
0
Average Delay (min.)
110.72727272727273
Standard Deviation
191.2
Min
0
Max
638

UA 636 On-Time Performance Details

Overall Rating
2.3 of 5
Average
Percentage On-Time 83%
Average Delay Time 110.72727272727273 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
4.6 of 5
Very Good
Percentage On-Time 83%
This flight has an on-time performance of 83%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 92% of other flights.
Delay Performance
0.0 of 5
Very Poor
Average Delay Time 110.72727272727273 min
This flight has an average delay of 110.72727272727273 minutes with a standard deviation of 191.2 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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