Spokane International in June 2026

77.5%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 2026, reporting carriers scheduled 1,668 domestic departures from Spokane International (GEG). 77.5% left less than 15 minutes late and 79.7% reached their destination on time; 0.4% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so GEG departures were 5.3 points above the national departure figure.

A year earlier, in June 2025, the airport had 1,755 departures with 84.4% leaving on time: a change of −6.9 points, with flights down 5%.

Flights arriving at GEG that month were on time 73.8% of the time (1,669 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 42%, late-arriving aircraft 31% and national aviation system 24%.

On time 79.7%
Arrived 15+ minutes late 19.5%
Cancelled 0.4%
Diverted 0.4%

Every scheduled departure from GEG in June 2026, judged by arrival at the destination.

June 2026 against a year earlier, the airport's year and the nation

Measure	Jun 2026	Jun 2025	GEG, 12 months to Jul 2026	All reported flights, Jun 2026
Departed on time	77.5%	84.4%	83.6%	72.2%
Arrived on time	79.7%	82.4%	83.8%	72.8%
Cancelled	0.4%	0.3%	0.7%	1.6%
Average departure delay (late minutes only)	16.1 min	10.1 min	11.8 min	20.6 min
Scheduled departures a day	56	59	51	20,253
Scheduled departures	1,668	1,755	18,474	607,577

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	545	33%	80.6%	3.3 min	0.2%
WN Southwest Airlines	352	21%	76.1%	5.3 min	0.0%
DL Delta Air Lines	266	16%	86.8%	4.6 min	0.8%
AS Alaska Airlines	230	14%	86.1%	2.0 min	0.0%
AA American Airlines	147	9%	70.7%	14.3 min	1.4%
UA United Airlines	90	5%	80.0%	3.1 min	1.1%
G4 Allegiant Air	26	2%	30.8%	93.4 min	3.8%
F9 Frontier Airlines	12	1%	75.0%	-1.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GEG–SEA	Spokane to Seattle	375	87.7%	-2.7 min	0.3%
GEG–DEN	Spokane to Denver	189	77.2%	3.7 min	0.5%
GEG–SLC	Spokane to Salt Lake City	146	90.4%	-0.6 min	0.7%
GEG–PHX	Spokane to Phoenix	110	79.1%	3.8 min	0.0%
GEG–LAX	Spokane to Los Angeles	108	95.4%	-10.5 min	0.0%
GEG–PDX	Spokane to Portland	101	76.2%	12.4 min	0.0%
GEG–SFO	Spokane to San Francisco	98	60.2%	28.8 min	0.0%
GEG–MSP	Spokane to Minneapolis	81	85.2%	15.8 min	0.0%
GEG–LAS	Spokane to Las Vegas	68	77.9%	10.4 min	0.0%
GEG–DFW	Spokane to Dallas/Fort Worth	60	66.7%	5.3 min	3.3%
GEG–ORD	Spokane to Chicago	60	56.7%	37.9 min	1.7%
GEG–SMF	Spokane to Sacramento	54	79.6%	5.2 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 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2026	Minutes
Air carrier	41.5%	30.8%	9,753
Late-arriving aircraft	31.3%	42.1%	7,356
National Aviation System	23.8%	20.3%	5,592
Extreme weather	2.4%	6.7%	560
Security	1.0%	0.1%	237

23,498 delay minutes on 326 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 2026?

77.5% of 1,668 scheduled domestic departures left less than 15 minutes late, and 79.7% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 84.4% of 1,755 departures left on time and 0.3% were cancelled, against 77.5% and 0.4% in June 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2026; 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.