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(UA) United Airlines 4278 On-Time Performance Rating

Date Range:

01-Mar-2026 to 30-Apr-2026

(IAH) Houston George Bush Intercontinental Airport

Houston, TX, US

(XNA) Northwest Arkansas National Airport

Bentonville, AR, US

On-Time Performance Chart

(using rounded numbers)
On-Time
28
88%
Late
1
3%
Very Late
2
6%
Excessive
1
3%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
32
Total Delays ( > 1 min )
9
Codeshares
32
Average Delay (min.)
20.333333333333332
Standard Deviation
17.9
Min
0
Max
46

UA 4278 On-Time Performance Details

Overall Rating
4.2 of 5
Good
Percentage On-Time 88%
Average Delay Time 20.333333333333332 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 4.2 shows that this flight has on-time performance characteristics better than 83% of all other flights in the FlightStats database.
On-Time Performance Rating
4.6 of 5
Very Good
Percentage On-Time 88%
This flight has an on-time performance of 88%. 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
3.8 of 5
Good
Average Delay Time 20.333333333333332 min
This flight has an average delay of 20.333333333333332 minutes with a standard deviation of 17.9 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 76% of other flights.

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