Spokane International in June 2025

84.4%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 June 2025, reporting carriers scheduled 1,755 domestic departures from Spokane International (GEG). 84.4% left less than 15 minutes late and 82.4% reached their destination on time; 0.3% were cancelled.

Nationally that month, 71.4% of flights departed on time and 70.3% arrived on time, so GEG departures were 13.0 points above the national departure figure.

A year earlier, in June 2024, the airport had 1,511 departures with 82.3% leaving on time: a change of +2.1 points, with flights up 16%.

Flights arriving at GEG that month were on time 75.3% of the time (1,756 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 43%, national aviation system 30% and air carrier 24%.

On time 82.4%
Arrived 15+ minutes late 16.8%
Cancelled 0.3%
Diverted 0.5%

Every scheduled departure from GEG in June 2025, judged by arrival at the destination.

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

Measure	Jun 2025	Jun 2024	GEG, 12 months to Jul 2026	All reported flights, Jun 2025
Departed on time	84.4%	82.3%	83.6%	71.4%
Arrived on time	82.4%	83.9%	83.8%	70.3%
Cancelled	0.3%	0.5%	0.7%	1.6%
Average departure delay (late minutes only)	10.1 min	11.3 min	11.8 min	22.1 min
Scheduled departures a day	59	50	51	20,386
Scheduled departures	1,755	1,511	18,474	611,575

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	591	34%	86.8%	0.6 min	0.0%
WN Southwest Airlines	375	21%	83.2%	3.7 min	0.3%
DL Delta Air Lines	281	16%	85.8%	-1.3 min	0.4%
AS Alaska Airlines	236	13%	74.2%	6.9 min	0.4%
AA American Airlines	135	8%	82.2%	2.1 min	1.5%
UA United Airlines	90	5%	70.0%	14.1 min	1.1%
G4 Allegiant Air	36	2%	72.2%	13.4 min	0.0%
F9 Frontier Airlines	11	1%	45.5%	26.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GEG–SEA	Spokane to Seattle	472	79.0%	4.7 min	0.0%
GEG–DEN	Spokane to Denver	188	71.3%	12.8 min	0.5%
GEG–SLC	Spokane to Salt Lake City	144	90.3%	-5.4 min	0.0%
GEG–LAX	Spokane to Los Angeles	99	90.9%	-6.4 min	1.0%
GEG–PHX	Spokane to Phoenix	91	91.2%	-4.5 min	1.1%
GEG–ORD	Spokane to Chicago	86	79.1%	5.8 min	1.2%
GEG–MSP	Spokane to Minneapolis	83	92.8%	-0.6 min	0.0%
GEG–SFO	Spokane to San Francisco	78	89.7%	-3.2 min	0.0%
GEG–SMF	Spokane to Sacramento	77	83.1%	6.3 min	0.0%
GEG–LAS	Spokane to Las Vegas	69	91.3%	-3.0 min	1.4%
GEG–PDX	Spokane to Portland	68	83.8%	3.7 min	0.0%
GEG–DFW	Spokane to Dallas/Fort Worth	60	78.3%	8.3 min	0.0%

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), June 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2025	Minutes
Air carrier	24.4%	31.6%	4,161
Late-arriving aircraft	42.8%	40.6%	7,308
National Aviation System	29.9%	20.9%	5,110
Extreme weather	2.2%	6.9%	381
Security	0.6%	0.2%	109

17,069 delay minutes on 295 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 GEG on time in June 2025?

84.4% of 1,755 scheduled domestic departures left less than 15 minutes late, and 82.4% reached their destination on time. The national figures that month were 71.4% and 70.3%.

How does that compare with a year earlier?

In June 2024, 82.3% of 1,511 departures left on time and 0.5% were cancelled, against 84.4% and 0.3% in June 2025.

Provenance

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