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(UA) United Airlines 4278 On-Time Performance Rating

Date Range:

15-Apr-2026 to 15-Jun-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
13
93%
Late
1
7%
Very Late
0
0%
Excessive
0
0%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
14
Total Delays ( > 1 min )
3
Codeshares
14
Average Delay (min.)
10.333333333333334
Standard Deviation
6.4
Min
0
Max
15

UA 4278 On-Time Performance Details

Overall Rating
4.2 of 5
Good
Percentage On-Time 93%
Average Delay Time 10.333333333333334 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 93%
This flight has an on-time performance of 93%. 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 10.333333333333334 min
This flight has an average delay of 10.333333333333334 minutes with a standard deviation of 6.4 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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