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(UA) United Airlines 1859 On-Time Performance Rating

Date Range:

15-Mar-2026 to 15-May-2026

(PIT) Pittsburgh International Airport

Pittsburgh, PA, US

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

On-Time Performance Chart

(using rounded numbers)
On-Time
44
92%
Late
1
2%
Very Late
1
2%
Excessive
2
4%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
48
Total Delays ( > 1 min )
13
Codeshares
0
Average Delay (min.)
32.30769230769231
Standard Deviation
55.2
Min
0
Max
161

UA 1859 On-Time Performance Details

Overall Rating
3.6 of 5
Good
Percentage On-Time 92%
Average Delay Time 32.30769230769231 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
4.9 of 5
Very Good
Percentage On-Time 92%
This flight has an on-time performance of 92%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
2.3 of 5
Average
Average Delay Time 32.30769230769231 min
This flight has an average delay of 32.30769230769231 minutes with a standard deviation of 55.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 46% of other flights.

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