Most delayed flights from GEG: every route ranked

15 regularly flown nonstop routes from Spokane International Airport, worst on-time record first (Aug 2025 – Jul 2026). Routes with fewer than 360 flights in the period are listed separately.

#	Destination	On time	Cancelled	Avg delay	Airlines	Flights
1	GEG → ORD Chicago, IL	65%	1.5%	29 min	3	714
2	GEG → SFO San Francisco, CA	73%	0.3%	22 min	2	896
3	GEG → DFW Dallas/Fort Worth, TX	79%	1.8%	19 min	1	559
4	GEG → LAS Las Vegas, NV	83%	0.2%	10 min	2	855
5	GEG → PHX Phoenix, AZ	84%	0.4%	15 min	4	1,258
6	GEG → DEN Denver, CO	84%	0.3%	12 min	4	2,052
7	GEG → ATL Atlanta, GA	85%	1.1%	9 min	1	537
8	GEG → SEA Seattle, WA	86%	1.0%	9 min	3	5,024
9	GEG → PDX Portland, OR	86%	0.9%	9 min	2	1,028
10	GEG → SMF Sacramento, CA	87%	0.2%	7 min	1	607
11	GEG → SAN San Diego, CA	88%	0.7%	6 min	2	419
12	GEG → OAK Oakland, CA	90%	0.0%	5 min	1	381
13	GEG → SLC Salt Lake City, UT	91%	0.7%	9 min	2	1,671
14	GEG → LAX Los Angeles, CA	91%	0.6%	8 min	3	878
15	GEG → MSP Minneapolis, MN	91%	0.8%	12 min	1	782

Less frequent routes

Too few flights for a reliable ranking.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.