United Airlines in July 2025

67.9%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 July 2025, United Airlines (UA) reported 69,788 scheduled domestic flights. 67.9% arrived on time, 1.7% were cancelled and 0.7% diverted.

All reporting carriers together recorded 69.0% on time and 2.5% cancelled that month, so the carrier was 1.1 points below the combined figure.

A year earlier, in July 2024, it reported 65,463 flights with 68.3% on time: a change of −0.4 points.

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 39%, national aviation system 28% and air carrier 25%.

On time 67.9%
Arrived 15+ minutes late 29.6%
Cancelled 1.7%
Diverted 0.7%

Every scheduled domestic flight reported by United Airlines in July 2025.

July 2025 against a year earlier, the carrier's year and all carriers

Measure	Jul 2025	Jul 2024	UA, 12 months to Jul 2026	All carriers, Jul 2025
Arrived on time	67.9%	68.3%	78.2%	69.0%
Departed on time	71.2%	69.2%	80.6%	69.7%
Cancelled	1.7%	3.7%	1.0%	2.5%
Average arrival delay	20.2 min	17.6 min	6.3 min	17.3 min
Scheduled flights a day	2,326	2,182	2,262	21,048
Scheduled flights	69,788	65,463	825,693	631,428

123 airports and 803 routes had UA flights that month.

Busiest airports that month

Airport	Departures	On time	Avg arrival delay	Cancelled
DEN Denver	9,646	61.4%	26.1 min	1.0%
ORD Chicago	8,539	63.3%	23.6 min	1.4%
IAH Houston	6,013	66.0%	21.1 min	1.4%
EWR Newark	5,582	64.2%	25.7 min	4.6%
SFO San Francisco	5,112	74.3%	9.9 min	1.1%
IAD Washington	2,997	68.9%	22.5 min	1.2%
LAX Los Angeles	2,610	77.0%	6.9 min	1.1%
LAS Las Vegas	1,242	73.4%	9.8 min	1.3%
MCO Orlando	1,168	69.1%	26.8 min	1.1%
BOS Boston	1,160	69.8%	19.1 min	2.2%
SEA Seattle	1,034	70.5%	13.3 min	1.5%
SAN San Diego	912	73.4%	8.0 min	1.4%
AUS Austin	863	70.2%	18.1 min	2.1%
LGA New York	840	58.0%	41.9 min	4.4%
DFW Dallas/Fort Worth	801	66.9%	27.7 min	2.4%

By scheduled departure hour

100

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), July 2025.

Delay causes

BTS cause category	Share of delay minutes	All carriers, Jul 2025	Minutes
Air carrier	24.5%	31.1%	443,061
Late-arriving aircraft	39.4%	40.8%	712,516
National Aviation System	28.0%	20.7%	506,130
Extreme weather	8.1%	7.3%	147,134
Security	0.0%	0.1%	241

1,809,082 delay minutes on 20,682 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

What share of United Airlines flights were on time in July 2025?

67.9% of 69,788 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 69.0% that month.

How does that compare with a year earlier?

In July 2024 the carrier reported 65,463 flights with 68.3% on time and 3.7% cancelled, against 67.9% and 1.7% in July 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2025; public domain. Domestic scheduled flights, totals and averages only. The site's data runs through July 2026. Full record for United Airlines · methodology · corrections.