PlainFlights

Route · GEG → PHX · 2020–2025 BTS data

Spokane to Phoenix

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), GEG to PHX (Spokane to Phoenix) ranks #2188 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

84.5%
On-time
+5.5 pts
vs US avg
99 min
Delay when late
5,733
Flights
#2188 of 4927
Corpus placement

Cancelled

0.2%

Best Month

Sep 2024 97%

Worst Month

Dec 2024 79%

Distance

1,020 mi

Carriers

9

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 109 20 0 0 WN,F9,AA
Nov 2025 99 18 0 0 F9,AA,WN
Oct 2025 78 11 0 0 AA,WN
Sep 2025 64 5 0 0 WN,AA
Aug 2025 75 9 0 0 WN,AA
Jul 2025 90 14 0 0 AA,WN
Jun 2025 91 7 1 0 AA,WN
May 2025 98 13 0 1 AA,WN
Apr 2025 120 19 0 0 WN,AA
Mar 2025 121 12 0 0 AA,WN
Feb 2025 97 14 0 0 AA,WN
Jan 2025 102 13 0 0 AA,WN
Dec 2024 119 25 0 0 AA,WN
Nov 2024 113 13 0 0 WN,AA
Oct 2024 105 16 0 0 WN,AA
Sep 2024 92 3 0 0 WN,AA
Aug 2024 121 11 0 0 AA,WN
Jul 2024 96 16 0 0 AA,WN
Jun 2024 95 15 2 0 AA,WN
May 2024 96 12 0 0 AA,WN
Apr 2024 101 11 0 0 AA,WN
Mar 2024 115 16 1 0 AA,WN
Feb 2024 81 12 0 0 AA,WN
Jan 2024 83 17 0 0 AA,WN

GEG–PHX seasonal on-time pattern

Best: February (90.0%) · weakest: July (75.4%)

70%75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 76.4%

Strongest calendar month

February

90.0% on-time · ~72 flights/mo

Busiest calendar month

April

~93 flights/mo avg

Weakest calendar month

July

75.4% on-time · ~75 flights/mo

Cancellation Rate

0.2%

4 of 2,361 flights

Diversion Rate

0.0%

1 of 2,361 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

GEG - Spokane

Full on-time, delay-cause, and seasonal performance for Spokane, WA.

GEG on-time profile

PHX - Phoenix

Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.

PHX on-time profile

Compare the two airports

See GEG and PHX side by side on delays, cancellations, and reliability.

Compare GEG vs PHX

Origin-hub reliability standing

Mid-pack among GEG departures

From GEG, this corridor sits with 6 other 75–85% on-time routes out of 18 tracked departures, not the hub's reliability leaders (12 at ≥85%) and not the softest ( 0 below 75%). Destination: Phoenix · fleet on-time rank #1399 of 4927.

What the Data Says About GEG to PHX

Bureau of Transportation Statistics records show Spokane to Phoenix (GEG to PHX) running a 84.5% on-time rate over 5,733 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 98.9 minutes. The 1,020-mile corridor is served by 9 carriers, and over the last 24 months 0.2% of 2,361 flights were cancelled, 0.0% diverted.

The monthly split is wide on this route: Sep 2024 posted the strongest performance at 97% on-time, while Dec 2024 came in at just 79% - a 18-point swing worth factoring into travel timing.

On the multi-year calendar, GEG–PHX peaks in February at 90.0% on-time while April carries the heaviest traffic (~93 flights per month) ; the softest month is July at 75.4%, a 14.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does GEG to PHX rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, GEG to PHX ranks #2188 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from GEG to PHX? ▼
Flights from Spokane to Phoenix have a 84.5% on-time rate based on 5,733 flights. The average delay is 98.9 minutes. The best recent month was Sep 2024 with 97% on-time.
What is the cancellation rate for GEG to PHX? ▼
Over the last 24 months, 0.2% of flights on this route were cancelled (4 of 2,361 flights) and 0.0% were diverted.
How far is the flight from GEG to PHX? ▼
The flight distance from Spokane (GEG) to Phoenix (PHX) is approximately 1,020 miles. This route is served by 9 carriers.
When is the best time to fly from GEG to PHX? ▼
The best recent month for on-time performance was Sep 2024 (97% on-time). The worst was Dec 2024 (79% on-time). Consider booking during months with historically better performance.

Airports on this route

GEG Airport

Spokane
PHX Airport

Phoenix
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using GEG–PHX data

GEG–PHX runs 5.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare GEG and PHX airport profiles: delay causes and top routes differ even on the same corridor. GEG airport
  • If your dates flex, February (90.0% on-time) beats July (75.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 84.5% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.