On-Time Report

Routes › Grand Junction (GJT) › GJT to PHX

Route · 12 months to July 2026

Grand Junction to Phoenix: on-time record

Grand Junction Regional to Phoenix Sky Harbor International

82.4%arrived 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. Data through July 2026; this is a monthly history, not live flight status.

In the 12 months to July 2026, reporting carriers scheduled 983 flights from Grand Junction (GJT) to Phoenix (PHX), a distance of 438 miles. 82.4% of them arrived within 15 minutes of schedule.

That is 6.4 points above the national on-time share of 76.0% for the same period and 1.2 points above the 81.2% recorded for all departures from GJT. Flights that did arrive were 7.4 min late on average, and 0.5% of scheduled flights were cancelled (national: 1.8%).

SkyWest Airlines operates most of the reported flights on the route, with 943 flights in the period.

By scheduled departure hour (local time at GJT), flights leaving from 5 am to 6 am had the highest on-time share, 100.0%; those leaving from 6 pm to 7 pm had the lowest, 70.7%.

The on-time share is down 5.5 points on the previous 12 months (87.9%); cancellations moved from 0.1% to 0.5%.

Of the delay minutes that carriers assigned to a BTS cause category on this route, air carrier 65%, late-arriving aircraft 22% and national aviation system 8%.

82.4%arrived on timenational 76.0%
7.4 minaverage arrival delayearly arrivals count as negative; national 8.1 min
0.5%cancellednational 1.8%
82flights a month983 in 12 months · 438 miles
Every scheduled GJT to PHX flight by a reporting carrier, August 2025 to July 2026.

Airlines on the route compared

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
OO SkyWest Airlines94396%83.2%7.2 min0.5%
MQ Envoy Air404%62.5%10.8 min0.0%

Carriers with at least 24 flights in the 12 months to July 2026. The on-time pill is green when a carrier is at or above the route's overall share. Regional carriers operate flights sold under larger airlines' brands; BTS lists the carrier that operated the flight.

Compared with the airports and the nation

MeasureGJT to PHXAll departures from GJTAll arrivals at PHXAll reported flights
Arrived on time82.4%81.2%78.7%76.0%
Arrived 15+ minutes late16.9%17.6%20.1%21.9%
Cancelled0.5%0.9%0.9%1.8%
Diverted0.2%0.2%0.2%0.3%
Average arrival delay7.4 min4.0 min6.9 min8.1 min
Delay minutes per 100 flights1,7301,5051,5811,684
Scheduled flights9834,840197,6477,043,858

12 months to July 2026. Delay minutes count late arrivals only (an early arrival is zero), so the per-100-flights row is a normalised total rather than an average of early and late.

The return direction, PHX to GJT, recorded 80.8% on time across 982 flights in the same period.

Month by month

100%columns start at 40%
Share of scheduled GJT to PHX flights that arrived on time, Aug 2023 to Jul 2026. Green columns are at or above the national figure for that month (the dark tick), amber below it, red more than eight points below.

Year on year: on time 82.4% against 87.9% (−5.5 pts), cancelled 0.5% against 0.1%, flights 983 against 1,030.

By scheduled departure hour

On-time share:under 62%6270768288% and over
Share of flights that arrived on time, by the hour they were scheduled to leave GJT (local time), 12 months to July 2026. Faded cells have few flights. Hover or tap a cell for counts.

Delay causes

BTS cause categoryShare of delay minutesNationalMinutes
Air carrier65.4%33.3%10,576
Late-arriving aircraft22.0%39.7%3,554
National Aviation System7.6%20.7%1,234
Extreme weather4.9%6.1%798
Security0.0%0.1%0
16,162 delay minutes on 166 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Seasonality

Calendar monthFlightsOn timeCancelledAvg arrival delayYears in sample
Jan23486.3%0.0%3.6 min3
Feb22781.1%0.4%0.6 min3
Mar25684.4%0.8%2.6 min3
Apr25884.5%0.4%8.1 min3
May27387.5%0.0%5.1 min3
Jun26980.7%0.0%6.7 min3
Jul27578.5%0.4%8.2 min3
Aug24991.2%0.4%-4.6 min3
Sep25689.8%0.4%5.8 min3
Oct28289.7%0.0%-1.6 min3
Nov24977.1%1.2%19.3 min3
Dec25087.2%0.0%-4.4 min3

Each calendar month summed across the 36 months on file, so most rows combine three years. The pill compares the month with the route's own 12-month share.

Other routes from Grand Junction (GJT)

RouteCitiesFlightsOn timeAvg arrival delayCancelled
GJT–DENGrand Junction to Denver2,25677.3%6.7 min1.2%
GJT–DFWGrand Junction to Dallas/Fort Worth1,01781.0%1.9 min1.3%
GJT–SLCGrand Junction to Salt Lake City58394.9%-10.5 min0.0%
GJT–ATLGrand Junction to Atlanta10.0%1254.0 min0.0%

All 5 routes and the airport record for GJT · airport record for PHX

Questions and answers

How often are flights from Grand Junction to Phoenix on time?

82.4% of the 983 flights scheduled from GJT to PHX in the 12 months to July 2026 arrived less than 15 minutes after their scheduled time. The national share for the same period was 76.0%. Cancelled and diverted flights count as not on time.

Which airline has the highest on-time share from GJT to PHX?

SkyWest Airlines is the only reporting carrier with at least 60 flights on the route in the period, so there is no comparison to make.

What causes delays between Grand Junction and Phoenix?

For flights that arrived 15 or more minutes late, carriers attributed the delay minutes as follows: air carrier 65%, late-arriving aircraft 22%, national aviation system 8%, extreme weather 5%, security 0%. The categories are the carriers' own reports to BTS; weather that slows the wider system is usually recorded under the National Aviation System rather than extreme weather.

What time of day has the highest on-time share from GJT?

Flights scheduled to leave GJT from 5 am to 6 am arrived on time 100.0% of the time, the highest of any hour with enough flights to compare. The lowest was 6 pm to 7 pm at 70.7%. Delays tend to build through the day as late aircraft carry over to later flights.

Is it getting better?

The on-time share for the 12 months to July 2026 was 82.4%, down 5.5 points on the previous 12 months (87.9%). The monthly chart on this page shows each of the last 36 months. Across those months, August had the highest on-time share (91.2%) and November the lowest (77.1%).

Where does this data come from?

Every figure is computed from the Bureau of Transportation Statistics Reporting Carrier On-Time Performance files, which list each scheduled domestic flight by the carriers required to report. This page covers August 2023 to July 2026. It shows totals and averages only; it is not a live flight-status service.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026, a US government work in the public domain. Figures are totals and averages over all scheduled flights by reporting carriers on the route; no individual flight or aircraft is identified. Times are local to the departure airport. The load factor and passenger counts from the BTS T-100 series are not included in this edition. See the methodology; report processing errors through corrections.