Spokane International in March 2026

81.6%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 March 2026, reporting carriers scheduled 1,496 domestic departures from Spokane International (GEG). 81.6% left less than 15 minutes late and 83.6% reached their destination on time; 1.5% were cancelled.

Nationally that month, 72.8% of flights departed on time and 73.2% arrived on time, so GEG departures were 8.8 points above the national departure figure.

A year earlier, in March 2025, the airport had 1,389 departures with 88.8% leaving on time: a change of −7.2 points, with flights up 8%.

Flights arriving at GEG that month were on time 76.9% of the time (1,496 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 41%, late-arriving aircraft 36% and national aviation system 16%.

On time 83.6%
Arrived 15+ minutes late 14.6%
Cancelled 1.5%
Diverted 0.3%

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

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

Measure	Mar 2026	Mar 2025	GEG, 12 months to Jul 2026	All reported flights, Mar 2026
Departed on time	81.6%	88.8%	83.6%	72.8%
Arrived on time	83.6%	88.4%	83.8%	73.2%
Cancelled	1.5%	0.1%	0.7%	2.9%
Average departure delay (late minutes only)	12.0 min	9.0 min	11.8 min	20.3 min
Scheduled departures a day	50	46	51	20,403
Scheduled departures	1,496	1,389	18,474	612,102

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	463	31%	87.9%	-3.8 min	1.9%
WN Southwest Airlines	301	20%	85.4%	-1.4 min	0.0%
AS Alaska Airlines	257	17%	85.2%	-0.9 min	1.2%
DL Delta Air Lines	209	14%	83.7%	-8.0 min	3.3%
AA American Airlines	125	8%	65.6%	19.0 min	2.4%
UA United Airlines	105	7%	78.1%	8.8 min	0.0%
F9 Frontier Airlines	18	1%	72.2%	9.1 min	5.6%
G4 Allegiant Air	18	1%	83.3%	2.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GEG–SEA	Spokane to Seattle	418	86.1%	0.4 min	2.2%
GEG–DEN	Spokane to Denver	154	82.5%	4.6 min	0.0%
GEG–SLC	Spokane to Salt Lake City	144	86.8%	-8.7 min	2.8%
GEG–PHX	Spokane to Phoenix	131	76.3%	7.6 min	0.8%
GEG–LAS	Spokane to Las Vegas	80	86.3%	-2.9 min	0.0%
GEG–PDX	Spokane to Portland	65	86.2%	3.4 min	0.0%
GEG–MSP	Spokane to Minneapolis	62	87.1%	-17.7 min	4.8%
GEG–LAX	Spokane to Los Angeles	59	86.4%	0.8 min	0.0%
GEG–ORD	Spokane to Chicago	58	58.6%	23.4 min	5.2%
GEG–SFO	Spokane to San Francisco	58	81.0%	-3.1 min	0.0%
GEG–ATL	Spokane to Atlanta	52	78.8%	-10.2 min	1.9%
GEG–SMF	Spokane to Sacramento	49	87.8%	-4.2 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), March 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2026	Minutes
Air carrier	40.9%	33.5%	5,966
Late-arriving aircraft	35.8%	39.3%	5,213
National Aviation System	16.0%	21.0%	2,339
Extreme weather	7.0%	5.9%	1,024
Security	0.3%	0.2%	37

14,579 delay minutes on 218 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 March 2026?

81.6% of 1,496 scheduled domestic departures left less than 15 minutes late, and 83.6% reached their destination on time. The national figures that month were 72.8% and 73.2%.

How does that compare with a year earlier?

In March 2025, 88.8% of 1,389 departures left on time and 0.1% were cancelled, against 81.6% and 1.5% in March 2026.

Provenance

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