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(UA) United Airlines 4027 On-Time Performance Rating

Date Range:

01-Jul-2026 to 31-Aug-2026

(MTJ) Montrose Regional Airport

Montrose, CO, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
29
74%
Late
6
15%
Very Late
2
5%
Excessive
2
5%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
39
Total Delays ( > 1 min )
16
Codeshares
39
Average Delay (min.)
26
Standard Deviation
28.9
Min
0
Max
110

UA 4027 On-Time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 74%
Average Delay Time 26 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.6 shows that this flight has on-time performance characteristics better than 71% of all other flights in the FlightStats database.
On-Time Performance Rating
3.3 of 5
Average
Percentage On-Time 74%
This flight has an on-time performance of 74%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 66% of other flights.
Delay Performance
3.9 of 5
Good
Average Delay Time 26 min
This flight has an average delay of 26 minutes with a standard deviation of 28.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 79% of other flights.

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