Tulsa International in April 2025

79.4%departed 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 2025, reporting carriers scheduled 1,467 domestic departures from Tulsa International (TUL). 79.4% left less than 15 minutes late and 77.8% reached their destination on time; 1.5% were cancelled.

Nationally that month, 80.6% of flights departed on time and 79.5% arrived on time, so TUL departures were 1.2 points below the national departure figure.

A year earlier, in April 2024, the airport had 1,390 departures with 84.6% leaving on time: a change of −5.2 points, with flights up 6%.

Flights arriving at TUL that month were on time 77.5% of the time (1,468 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 34%, late-arriving aircraft 33% and national aviation system 20%.

On time 77.8%
Arrived 15+ minutes late 20.6%
Cancelled 1.5%
Diverted 0.1%

Every scheduled departure from TUL in April 2025, judged by arrival at the destination.

April 2025 against a year earlier, the airport's year and the nation

Measure	Apr 2025	Apr 2024	TUL, 12 months to Jul 2026	All reported flights, Apr 2025
Departed on time	79.4%	84.6%	81.3%	80.6%
Arrived on time	77.8%	83.5%	80.6%	79.5%
Cancelled	1.5%	0.9%	1.8%	0.8%
Average departure delay (late minutes only)	17.7 min	11.9 min	15.5 min	14.1 min
Scheduled departures a day	49	46	50	19,465
Scheduled departures	1,467	1,390	18,315	583,950

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	498	34%	81.1%	2.8 min	0.8%
OO SkyWest Airlines	353	24%	79.6%	13.6 min	0.3%
AA American Airlines	153	10%	69.9%	22.0 min	3.3%
YX Republic Airline	125	9%	88.8%	-3.3 min	0.8%
OH PSA Airlines	114	8%	58.8%	23.4 min	7.9%
DL Delta Air Lines	112	8%	83.0%	12.3 min	0.0%
MQ Envoy Air	61	4%	59.0%	29.9 min	1.6%
UA United Airlines	27	2%	81.5%	-5.7 min	3.7%
G4 Allegiant Air	24	2%	83.3%	2.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
TUL–DFW	Tulsa to Dallas/Fort Worth	243	64.2%	26.6 min	4.9%
TUL–DEN	Tulsa to Denver	206	76.2%	10.2 min	0.0%
TUL–ORD	Tulsa to Chicago	150	88.7%	-1.9 min	1.3%
TUL–PHX	Tulsa to Phoenix	117	76.1%	18.6 min	0.9%
TUL–ATL	Tulsa to Atlanta	112	83.0%	12.3 min	0.0%
TUL–DAL	Tulsa to Dallas	86	79.1%	1.2 min	3.5%
TUL–HOU	Tulsa to Houston	64	78.1%	4.4 min	0.0%
TUL–LAS	Tulsa to Las Vegas	64	82.8%	0.1 min	0.0%
TUL–SLC	Tulsa to Salt Lake City	58	86.2%	0.6 min	0.0%
TUL–CLT	Tulsa to Charlotte	57	61.4%	20.2 min	1.8%
TUL–STL	Tulsa to St. Louis	56	91.1%	0.7 min	0.0%
TUL–IAH	Tulsa to Houston	55	78.2%	10.6 min	1.8%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), April 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2025	Minutes
Air carrier	33.8%	32.7%	9,029
Late-arriving aircraft	32.5%	39.4%	8,687
National Aviation System	19.8%	22.2%	5,293
Extreme weather	13.5%	5.5%	3,597
Security	0.4%	0.2%	107

26,713 delay minutes on 302 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

How many flights left TUL on time in April 2025?

79.4% of 1,467 scheduled domestic departures left less than 15 minutes late, and 77.8% reached their destination on time. The national figures that month were 80.6% and 79.5%.

How does that compare with a year earlier?

In April 2024, 84.6% of 1,390 departures left on time and 0.9% were cancelled, against 79.4% and 1.5% in April 2025.

Provenance

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