Most delayed flights from PDX: every route ranked

39 regularly flown nonstop routes from Portland 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	PDX → HNL Honolulu, HI	61%	1.4%	25 min	2	908
2	PDX → SFO San Francisco, CA	69%	0.4%	19 min	4	3,494
3	PDX → SAN San Diego, CA	77%	0.8%	11 min	3	1,771
4	PDX → OAK Oakland, CA	78%	0.7%	12 min	3	1,287
5	PDX → DTW Detroit, MI	78%	1.1%	23 min	1	379
6	PDX → BOS Boston, MA	79%	1.3%	13 min	2	671
7	PDX → ORD Chicago, IL	79%	1.0%	17 min	3	2,808
8	PDX → PHX Phoenix, AZ	79%	0.4%	16 min	6	3,750
9	PDX → LAS Las Vegas, NV	81%	0.5%	11 min	4	2,956
10	PDX → DFW Dallas/Fort Worth, TX	81%	2.5%	19 min	2	2,380
11	PDX → SJC San Jose, CA	82%	0.2%	11 min	3	1,672
12	PDX → SMF Sacramento, CA	82%	0.3%	10 min	3	1,966
13	PDX → DEN Denver, CO	83%	0.4%	11 min	5	4,286
14	PDX → MCO Orlando, FL	83%	0.3%	10 min	1	391
15	PDX → ANC Anchorage, AK	83%	0.0%	9 min	1	1,209
16	PDX → TUS Tucson, AZ	84%	0.0%	9 min	2	365
17	PDX → ONT Ontario, CA	84%	0.5%	10 min	3	566
18	PDX → PSP Palm Springs, CA	84%	1.2%	9 min	2	738
19	PDX → EWR Newark, NJ	84%	1.9%	13 min	2	899
20	PDX → STS Santa Rosa, CA	84%	0.5%	11 min	2	640
21	PDX → FAT Fresno, CA	84%	0.3%	13 min	2	588
22	PDX → AUS Austin, TX	85%	0.5%	9 min	1	607
23	PDX → IAH Houston, TX	85%	0.5%	10 min	2	1,227
24	PDX → SEA Seattle, WA	85%	0.7%	9 min	3	4,942
25	PDX → DCA Washington, VA	86%	0.3%	6 min	1	363
26	PDX → KOA Kona, HI	86%	0.0%	7 min	1	365
27	PDX → GEG Spokane, WA	86%	0.9%	7 min	2	1,030
28	PDX → BUR Burbank, CA	86%	0.9%	9 min	3	995
29	PDX → BOI Boise, ID	86%	0.8%	8 min	2	908
30	PDX → LAX Los Angeles, CA	87%	0.7%	11 min	4	4,345
31	PDX → JFK New York, NY	87%	2.0%	9 min	2	914
32	PDX → ATL Atlanta, GA	89%	1.0%	7 min	3	1,551
33	PDX → SLC Salt Lake City, UT	89%	1.1%	7 min	4	2,374
34	PDX → OGG Kahului, HI	90%	0.1%	5 min	1	728
35	PDX → MDW Chicago, IL	90%	0.7%	5 min	1	684
36	PDX → EUG Eugene, OR	91%	1.2%	6 min	1	582
37	PDX → SNA Santa Ana, CA	91%	1.1%	4 min	1	1,550
38	PDX → CLT Charlotte, NC	91%	1.4%	7 min	1	440
39	PDX → MSP Minneapolis, MN	92%	0.6%	6 min	2	1,543

Less frequent routes

Too few flights for a reliable ranking.

PDX → MCI (Kansas City) 347 flts
PDX → MIA (Miami) 342 flts
PDX → BNA (Nashville) 318 flts
PDX → RNO (Reno) 310 flts
PDX → IAD (Washington) 291 flts
PDX → MFR (Medford) 271 flts
PDX → RDM (Bend/Redmond) 269 flts
PDX → PHL (Philadelphia) 262 flts
PDX → LIH (Lihue) 253 flts
PDX → DAL (Dallas) 230 flts
PDX → BWI (Baltimore) 200 flts
PDX → BLI (Bellingham) 136 flts
PDX → IDA (Idaho Falls) 119 flts
PDX → MSY (New Orleans) 114 flts
PDX → STL (St. Louis) 114 flts
PDX → MSO (Missoula) 108 flts
PDX → BZN (Bozeman) 84 flts
PDX → SBP (San Luis Obispo) 83 flts
PDX → PVU (Provo) 78 flts
PDX → DSM (Des Moines) 56 flts
PDX → FAI (Fairbanks) 52 flts
PDX → PSC (Pasco/Kennewick/Richland) 52 flts
PDX → AZA (Phoenix) 52 flts
PDX → ATW (Appleton) 47 flts
PDX → CVG (Cincinnati) 45 flts
PDX → FCA (Kalispell) 30 flts
PDX → GRR (Grand Rapids) 28 flts
PDX → SBA (Santa Barbara) 28 flts
PDX → IND (Indianapolis) 26 flts
PDX → FNT (Flint) 22 flts
PDX → JAC (Jackson) 15 flts
PDX → TPA (Tampa) 10 flts
PDX → FLL (Fort Lauderdale) 10 flts
PDX → ABQ (Albuquerque) 7 flts
PDX → CID (Cedar Rapids/Iowa City) 1 flts

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.