Spokane International in August 2023

82.3%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 August 2023, reporting carriers scheduled 1,440 domestic departures from Spokane International (GEG). 82.3% left less than 15 minutes late and 81.8% reached their destination on time; 0.5% were cancelled.

Nationally that month, 76.7% of flights departed on time and 76.9% arrived on time, so GEG departures were 5.6 points above the national departure figure.

Flights arriving at GEG that month were on time 78.1% of the time (1,441 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 39% and national aviation system 17%.

On time 81.8%
Arrived 15+ minutes late 17.6%
Cancelled 0.5%
Diverted 0.1%

Every scheduled departure from GEG in August 2023, judged by arrival at the destination.

August 2023 against a year earlier, the airport's year and the nation

Measure	Aug 2023	Year earlier	GEG, 12 months to Jul 2026	All reported flights, Aug 2023
Departed on time	82.3%	—	83.6%	76.7%
Arrived on time	81.8%	—	83.8%	76.9%
Cancelled	0.5%	—	0.7%	1.5%
Average departure delay (late minutes only)	14.9 min	—	11.8 min	17.3 min
Scheduled departures a day	48	—	51	20,100
Scheduled departures	1,440	—	18,474	602,987

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	356	25%	82.9%	10.0 min	0.8%
WN Southwest Airlines	332	23%	79.8%	4.7 min	0.0%
OO SkyWest Airlines	297	21%	88.6%	-0.7 min	0.0%
AS Alaska Airlines	217	15%	77.4%	6.6 min	0.5%
UA United Airlines	124	9%	84.7%	5.2 min	0.8%
AA American Airlines	93	6%	77.4%	17.7 min	1.1%
G4 Allegiant Air	21	1%	47.6%	74.3 min	4.8%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GEG–SEA	Spokane to Seattle	414	84.5%	2.2 min	0.7%
GEG–DEN	Spokane to Denver	196	79.1%	10.3 min	0.0%
GEG–SLC	Spokane to Salt Lake City	155	84.5%	8.2 min	0.6%
GEG–MSP	Spokane to Minneapolis	91	80.2%	14.0 min	0.0%
GEG–SFO	Spokane to San Francisco	65	84.6%	10.4 min	0.0%
GEG–PHX	Spokane to Phoenix	64	84.4%	2.4 min	0.0%
GEG–DFW	Spokane to Dallas/Fort Worth	62	75.8%	22.6 min	1.6%
GEG–LAX	Spokane to Los Angeles	62	77.4%	2.8 min	0.0%
GEG–SMF	Spokane to Sacramento	62	77.4%	6.7 min	0.0%
GEG–OAK	Spokane to Oakland	56	75.0%	8.1 min	0.0%
GEG–ATL	Spokane to Atlanta	48	77.1%	7.9 min	0.0%
GEG–LAS	Spokane to Las Vegas	41	78.0%	6.2 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), August 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2023	Minutes
Air carrier	38.8%	36.7%	7,567
Late-arriving aircraft	42.0%	42.2%	8,207
National Aviation System	16.9%	15.7%	3,304
Extreme weather	2.3%	5.1%	446
Security	0.0%	0.2%	0

19,524 delay minutes on 253 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 August 2023?

82.3% of 1,440 scheduled domestic departures left less than 15 minutes late, and 81.8% reached their destination on time. The national figures that month were 76.7% and 76.9%.

How does that compare with a year earlier?

August 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2023; 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.