SkyWest Airlines E175

Regional jet

Fleet as reported in the 2025 annual filing · Registry & ages refreshed Sep 1, 2026

SkyWest Airlines's busiest E175 routes, by departures — line weight is departures flown, dots are the airports it connects. Great-circle paths from US DOT T-100, trailing 12 months through May 2026.

Passengers flown a year: 27.4M; 1st-largest SkyWest Airlines sub-fleet
Airframes in the filing: 270
Airports served: 170
Countries: 3
Departures a day: 1,295
Average age: 7.8 yr

How SkyWest Airlines flies its E175

Filed traffic data

The count above is the E175 airframes SkyWest Airlines owns (US DOT Form 41). This is how it actually flew them to 170 airports across 3 countries — the capacity and busiest routes filed with US DOT T-100 over the trailing 12 months.

Departures flown

472,637

May 2026

Seats flown

34,898,324

Passengers

27.4M

Load factor

79.7%

RPM ÷ ASM

Block hours

887,537

SkyWest Airlines's busiest E175 routes

Its busiest E175 routes over the trailing 12 months, by departures.

Portland – Seattle (PDX–SEA)
6,821 departures · 390,096 passengers · 129 mi
77.6%
Load
San Francisco – Santa Ana (SFO–SNA)
6,271 departures · 405,039 passengers · 372 mi
85.0%
Load
Boise – Seattle (BOI–SEA)
6,174 departures · 347,546 passengers · 399 mi
76.6%
Load
Spokane – Seattle (GEG–SEA)
6,160 departures · 361,384 passengers · 224 mi
80.4%
Load
Los Angeles – Sacramento (LAX–SMF)
5,949 departures · 341,219 passengers · 373 mi
77.4%
Load
Los Angeles – San Francisco (LAX–SFO)
5,205 departures · 346,458 passengers · 337 mi
88.3%
Load
Los Angeles – Phoenix (LAX–PHX)
5,145 departures · 313,670 passengers · 370 mi
83.1%
Load
Aspen – Denver (ASE–DEN)
4,993 departures · 254,642 passengers · 125 mi
72.9%
Load
Seattle – Vancouver (SEA–YVR)
4,620 departures · 263,687 passengers · 127 mi
79.0%
Load
Los Angeles – San Diego (LAX–SAN)
4,552 departures · 232,664 passengers · 109 mi
70.2%
Load
Los Angeles – San Jose (LAX–SJC)
4,299 departures · 256,045 passengers · 308 mi
79.0%
Load
Los Angeles – Reno (LAX–RNO)
4,105 departures · 246,292 passengers · 391 mi
82.1%
Load
Palm Springs – San Francisco (PSP–SFO)
3,961 departures · 230,263 passengers · 421 mi
78.2%
Load
Seattle – Sacramento (SEA–SMF)
3,952 departures · 237,603 passengers · 605 mi
82.2%
Load
Las Vegas – San Diego (LAS–SAN)
3,264 departures · 182,759 passengers · 258 mi
75.8%
Load

All SkyWest Airlines E175 destinations →

The longest and shortest SkyWest Airlines E175 flights

The two ends of the type's working envelope, from the routes it actually flew — not what the airframe is certified to do.

Longest route flown

1,735 mi

San Francisco – St Louis (SFO–STL)

4h 25m block · 456 departures · 80% load

Flown by SkyWest Airlines.

Shortest route flown

67 mi

Milwaukee – Chicago (MKE–ORD)

1h 5m block · 1,208 departures · 67% load

Flown by SkyWest Airlines.

Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through May 2026.

Where SkyWest Airlines flies the E175 from

SkyWest Airlines flies its E175 from 170 US airports in 3 countries. The busiest, by departures:

LAX
Los Angeles
35,321 departures · 52 routes
7.7%
Share
DEN
Denver
33,935 departures · 79 routes
7.4%
Share
SLC
Salt Lake City
32,404 departures · 49 routes
7.0%
Share
SEA
Seattle
31,383 departures · 34 routes
6.8%
Share
SFO
San Francisco
27,273 departures · 44 routes
5.9%
Share
ORD
Chicago
20,309 departures · 74 routes
4.4%
Share
SAN
San Diego
14,579 departures · 22 routes
3.2%
Share
MSP
Minneapolis
13,880 departures · 38 routes
3.0%
Share
PHX
Phoenix
11,254 departures · 33 routes
2.4%
Share
BOI
Boise
9,836 departures · 13 routes
2.1%
Share

Browse all airports →

Where the E175 sits in SkyWest Airlines's fleet

The E175 is 46.1% of SkyWest Airlines's 586 tracked mainline aircraft.

Embraer E175 46.1%

Share of SkyWest Airlines's mainline fleet · each type a slice

Other SkyWest Airlines types

How old is the SkyWest Airlines E175 fleet?

SkyWest Airlines E175 — airframes by age (years)

0–4

5–9

10–14

15–19

20–24

25–29

30+

Age is measured from each airframe's delivery date — the FAA airworthiness date where available, otherwise the manufacturer's. Bars share a fixed scale across every fleet page, so two carriers can be compared directly.

Oldest airframeN603CZEmbraer E17519.1 yr · Delivered Aug 3, 2007

Newest airframeN127SYEmbraer E1751.5 yr · Delivered Mar 7, 2025

See all 270 E175 tail numbers in SkyWest Airlines's fleet →

Monthly SkyWest Airlines E175 capacity

41.4K

42.4K

41.5K

39K

40.7K

37K

38.4K

36.6K

34.4K

39.9K

41.5K

JunJulAugSepOctNovDecJanFebMarAprMay

Monthly SkyWest Airlines E175 departures across US routes, trailing 12 months through May 2026. Peak month in solid ink.

Frequently asked

How many E175 does SkyWest Airlines have?

SkyWest Airlines operates about 270 E175 aircraft — 270 in service and 0 stored in its latest US DOT fleet filing.

Where does SkyWest Airlines fly the E175?

SkyWest Airlines flies its E175 to about 170 US airports across 3 countries, its busiest route being PDX–SEA.

How old are SkyWest Airlines's E175?

SkyWest Airlines's E175 fleet averages about 7.8 yr, ranging from 1.5 yr to 19.1 yr.

What is the longest E175 route SkyWest Airlines flies?

The longest E175 route SkyWest Airlines flew over the trailing 12 months is SFO–STL, about 1,735 miles.