Spokane International in December 2023

84.9%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 December 2023, reporting carriers scheduled 1,395 domestic departures from Spokane International (GEG). 84.9% left less than 15 minutes late and 84.4% reached their destination on time; 0.5% were cancelled.

Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so GEG departures were 1.8 points above the national departure figure.

Flights arriving at GEG that month were on time 82.7% of the time (1,392 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 35%, late-arriving aircraft 26% and national aviation system 21%.

On time 84.4%
Arrived 15+ minutes late 14.8%
Cancelled 0.5%
Diverted 0.3%

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

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

Measure	Dec 2023	Year earlier	GEG, 12 months to Jul 2026	All reported flights, Dec 2023
Departed on time	84.9%	—	83.6%	83.1%
Arrived on time	84.4%	—	83.8%	83.8%
Cancelled	0.5%	—	0.7%	0.4%
Average departure delay (late minutes only)	13.2 min	—	11.8 min	11.6 min
Scheduled departures a day	47	—	51	19,013
Scheduled departures	1,395	—	18,474	570,394

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	396	28%	80.3%	3.0 min	1.5%
WN Southwest Airlines	307	22%	85.3%	-0.1 min	0.0%
DL Delta Air Lines	261	19%	90.0%	-3.1 min	0.0%
AS Alaska Airlines	215	15%	84.7%	2.3 min	0.5%
AA American Airlines	129	9%	81.4%	12.9 min	0.0%
UA United Airlines	70	5%	91.4%	-8.8 min	0.0%
G4 Allegiant Air	17	1%	64.7%	5.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GEG–SEA	Spokane to Seattle	408	82.8%	3.8 min	1.2%
GEG–SLC	Spokane to Salt Lake City	138	90.6%	-3.5 min	0.7%
GEG–DEN	Spokane to Denver	133	88.7%	-5.7 min	0.0%
GEG–PHX	Spokane to Phoenix	98	75.5%	20.2 min	0.0%
GEG–SFO	Spokane to San Francisco	74	75.7%	8.3 min	0.0%
GEG–DFW	Spokane to Dallas/Fort Worth	70	82.9%	1.2 min	0.0%
GEG–SMF	Spokane to Sacramento	65	87.7%	-1.9 min	0.0%
GEG–LAX	Spokane to Los Angeles	62	87.1%	-5.9 min	0.0%
GEG–MSP	Spokane to Minneapolis	59	91.5%	-7.3 min	0.0%
GEG–OAK	Spokane to Oakland	59	91.5%	-2.1 min	0.0%
GEG–LAS	Spokane to Las Vegas	50	78.0%	2.1 min	0.0%
GEG–PDX	Spokane to Portland	44	79.5%	11.9 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), December 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2023	Minutes
Air carrier	34.5%	37.1%	5,812
Late-arriving aircraft	26.2%	38.8%	4,410
National Aviation System	20.6%	17.6%	3,467
Extreme weather	18.7%	6.2%	3,157
Security	0.0%	0.3%	0

16,846 delay minutes on 207 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 December 2023?

84.9% of 1,395 scheduled domestic departures left less than 15 minutes late, and 84.4% reached their destination on time. The national figures that month were 83.1% and 83.8%.

How does that compare with a year earlier?

December 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 December 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.