On-Time Report

Airlines › United Airlines › April 2024

Carrier month · April 2024

United Airlines in April 2024

80.2%arrived on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In April 2024, United Airlines (UA) reported 61,044 scheduled domestic flights. 80.2% arrived on time, 0.6% were cancelled and 0.3% diverted.

All reporting carriers together recorded 80.2% on time and 0.7% cancelled that month, so the carrier was level with the combined figure.

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 28% and national aviation system 27%.

Every scheduled domestic flight reported by United Airlines in April 2024.

April 2024 against a year earlier, the carrier's year and all carriers

MeasureApr 2024Year earlierUA, 12 months to Jul 2026All carriers, Apr 2024
Arrived on time80.2%—78.2%80.2%
Departed on time81.6%—80.6%80.5%
Cancelled0.6%—1.0%0.7%
Average arrival delay3.8 min—6.3 min5.4 min
Scheduled flights a day2,035—2,26219,406
Scheduled flights61,044—825,693582,185

111 airports and 741 routes had UA flights that month.

Busiest airports that month

AirportDeparturesOn timeAvg arrival delayCancelled
DEN Denver7,88278.8%5.6 min0.2%
ORD Chicago7,20780.0%3.0 min0.3%
EWR Newark5,99174.8%7.9 min1.4%
IAH Houston5,36274.9%8.7 min0.4%
SFO San Francisco3,88880.8%1.0 min0.4%
IAD Washington2,72382.3%2.3 min0.5%
LAX Los Angeles2,10685.1%-2.7 min0.5%
MCO Orlando1,23883.3%2.9 min1.1%
LAS Las Vegas1,21281.5%0.6 min0.6%
BOS Boston95581.9%0.8 min0.7%
PHX Phoenix94284.3%-1.7 min0.4%
SAN San Diego87481.1%2.2 min0.5%
TPA Tampa81778.6%8.4 min1.1%
FLL Fort Lauderdale79383.2%2.3 min0.9%
AUS Austin75082.5%1.2 min0.4%

By scheduled departure hour

On-time share:under 62%6270768288% and over
Share of UA flights that arrived on time, by scheduled departure hour (local time at each origin), April 2024.

Delay causes

BTS cause categoryShare of delay minutesAll carriers, Apr 2024Minutes
Air carrier27.6%33.6%212,483
Late-arriving aircraft41.8%41.0%321,301
National Aviation System27.3%20.0%210,036
Extreme weather3.2%5.1%24,907
Security0.0%0.2%59
768,786 delay minutes on 11,604 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← March 2024May 2024 →

Questions and answers

What share of United Airlines flights were on time in April 2024?

80.2% of 61,044 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 80.2% that month.

How does that compare with a year earlier?

April 2023 is outside the 36 months on file, or the carrier did not report that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 2024; public domain. Domestic scheduled flights, totals and averages only. The site's data runs through July 2026. Full record for United Airlines · methodology · corrections.