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1,184 km · Domestic

Boise Air Terminal/Gowen Field (BOI) – Phoenix Sky Harbor (PHX)

In July 2026, 365 flights operated between Boise Air Terminal/Gowen Field and Phoenix Sky Harbor (both directions), and 78.1% left on time, according to the US BTS.

Official · July 2026 according to the US BTS only airlines required to report on-time data to the US DOT

Flights per month

Only complete months are shown. A month appears once the source has published every day of it.

The most recent periods19 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January343344▲ 0.3%
February330310▼ 6.1%
March398346▼ 13.1%
April414298▼ 28.0%
May372312▼ 16.1%
June301341▲ 13.3%
July304365▲ 20.1%
August297––
September256––
October396–in progress
November373––
December376––
Year to date (Jan–Jul)2,4622,316▼ 5.9%

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods19 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January88.0%83.4%▼ 5.2%
February81.2%85.8%▲ 5.7%
March79.9%85.0%▲ 6.4%
April84.3%81.9%▼ 2.8%
May85.5%78.8%▼ 7.8%
June79.4%70.7%▼ 11.0%
July79.9%78.1%▼ 2.3%
August85.5%––
September83.6%––
October80.1%–in progress
November80.7%––
December83.8%––
Year-to-date average (Jan–Jul)82.6%80.5%▼ 2.5%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January00–
February02–
March02–
April00–
May00–
June110.0%
July41▼ 75.0%
August0––
September2––
October0–in progress
November7––
December0––
Year to date (Jan–Jul)56▲ 20.0%

Airlines on this route

  1. SkyWest Airlines 51.7%
  2. Southwest Airlines 39.4%
  3. Envoy Air 5.4%
  4. American Airlines 3.3%
  5. Alaska Airlines 0.1%
  6. United Airlines 0.0%

Oct 1, 2024 – Jul 31, 2026

By direction

BOI → PHX

Scheduled flights
3,658
Flights operated
3,647
Cancelled
11 · 0.3%
On-time departures
84.4%

PHX → BOI

Scheduled flights
3,660
Flights operated
3,651
Cancelled
9 · 0.2%
On-time departures
79.9%

BOI → PHX and PHX → BOI counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
SkyWest Airlines OO 3,783 51.7% 84.4% 13
Southwest Airlines WN 2,885 39.4% 79.1% 7
Envoy Air MQ 398 5.4% 84.2% 0
American Airlines AA 240 3.3% 80.4% 0
Alaska Airlines AS 10 0.1% 80.0% 0
United Airlines UA 2 0.0% 100.0% 0

Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

Times are local to the departure airport of each flight; both directions are combined.

US domestic sectors recorded by BTS

Source: the US BTS · Oct 12, 2024 → Jul 31, 2026

Lowest average delay05:00–06:00-0.9min · 288 recorded · 287 measured
Gap to highest-delay hour26.2min05:00 ↔ 19:00
Recorded flights7,318BOI–PHX

Departure hour

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · 96.9% · 288 recorded · 287 measured · Source: the US BTS 06:00 · 94.3% · 732 recorded · 732 measured · Source: the US BTS 07:00 · 91.6% · 226 recorded · 225 measured · Source: the US BTS 08:00 · 93.8% · 404 recorded · 404 measured · Source: the US BTS 09:00 · 88.1% · 480 recorded · 480 measured · Source: the US BTS 10:00 · 87.7% · 553 recorded · 551 measured · Source: the US BTS 11:00 · 84.7% · 302 recorded · 300 measured · Source: the US BTS 12:00 · 81.8% · 281 recorded · 280 measured · Source: the US BTS 13:00 · 81.1% · 728 recorded · 725 measured · Source: the US BTS 14:00 · 82.8% · 801 recorded · 798 measured · Source: the US BTS 15:00 · 86.0% · 287 recorded · 286 measured · Source: the US BTS 16:00 · 76.7% · 346 recorded · 344 measured · Source: the US BTS 17:00 · 68.8% · 703 recorded · 701 measured · Source: the US BTS 18:00 · Fewer than 200 measured departures · 191 recorded · 191 measured · Source: the US BTS 19:00 · 58.8% · 255 recorded · 255 measured · Source: the US BTS 20:00 · 75.9% · 407 recorded · 407 measured · Source: the US BTS 21:00 · 68.6% · 261 recorded · 261 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 70 recorded · 68 measured · Source: the US BTS 23:00 · Fewer than 200 measured departures · 3 recorded · 3 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · -0.9 min · 288 recorded · 287 measured · Source: the US BTS 06:00 · 3.7 min · 732 recorded · 732 measured · Source: the US BTS 07:00 · 1.4 min · 226 recorded · 225 measured · Source: the US BTS 08:00 · 2.9 min · 404 recorded · 404 measured · Source: the US BTS 09:00 · 3.9 min · 480 recorded · 480 measured · Source: the US BTS 10:00 · 4.2 min · 553 recorded · 551 measured · Source: the US BTS 11:00 · 6.4 min · 302 recorded · 300 measured · Source: the US BTS 12:00 · 9.0 min · 281 recorded · 280 measured · Source: the US BTS 13:00 · 11.7 min · 728 recorded · 725 measured · Source: the US BTS 14:00 · 9.5 min · 801 recorded · 798 measured · Source: the US BTS 15:00 · 6.4 min · 287 recorded · 286 measured · Source: the US BTS 16:00 · 13.8 min · 346 recorded · 344 measured · Source: the US BTS 17:00 · 20.1 min · 703 recorded · 701 measured · Source: the US BTS 18:00 · Fewer than 200 measured departures · 191 recorded · 191 measured · Source: the US BTS 19:00 · 25.4 min · 255 recorded · 255 measured · Source: the US BTS 20:00 · 10.6 min · 407 recorded · 407 measured · Source: the US BTS 21:00 · 22.1 min · 261 recorded · 261 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 70 recorded · 68 measured · Source: the US BTS 23:00 · Fewer than 200 measured departures · 3 recorded · 3 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · 288 · 288 recorded · 287 measured · Source: the US BTS 06:00 · 732 · 732 recorded · 732 measured · Source: the US BTS 07:00 · 226 · 226 recorded · 225 measured · Source: the US BTS 08:00 · 404 · 404 recorded · 404 measured · Source: the US BTS 09:00 · 480 · 480 recorded · 480 measured · Source: the US BTS 10:00 · 553 · 553 recorded · 551 measured · Source: the US BTS 11:00 · 302 · 302 recorded · 300 measured · Source: the US BTS 12:00 · 281 · 281 recorded · 280 measured · Source: the US BTS 13:00 · 728 · 728 recorded · 725 measured · Source: the US BTS 14:00 · 801 · 801 recorded · 798 measured · Source: the US BTS 15:00 · 287 · 287 recorded · 286 measured · Source: the US BTS 16:00 · 346 · 346 recorded · 344 measured · Source: the US BTS 17:00 · 703 · 703 recorded · 701 measured · Source: the US BTS 18:00 · 191 · 191 recorded · 191 measured · Source: the US BTS 19:00 · 255 · 255 recorded · 255 measured · Source: the US BTS 20:00 · 407 · 407 recorded · 407 measured · Source: the US BTS 21:00 · 261 · 261 recorded · 261 measured · Source: the US BTS 22:00 · 70 · 70 recorded · 68 measured · Source: the US BTS 23:00 · 3 · 3 recorded · 3 measured · Source: the US BTS

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View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00No observations———
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:0096.9%-0.9 min287288
06:0094.3%3.7 min732732
07:0091.6%1.4 min225226
08:0093.8%2.9 min404404
09:0088.1%3.9 min480480
10:0087.7%4.2 min551553
11:0084.7%6.4 min300302
12:0081.8%9.0 min280281
13:0081.1%11.7 min725728
14:0082.8%9.5 min798801
15:0086.0%6.4 min286287
16:0076.7%13.8 min344346
17:0068.8%20.1 min701703
18:00Fewer than 200 measured departures—191191
19:0058.8%25.4 min255255
20:0075.9%10.6 min407407
21:0068.6%22.1 min261261
22:00Fewer than 200 measured departures—6870
23:00Fewer than 200 measured departures—33

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · 81.4% · 1,098 recorded · 1,095 measured · Source: the US BTS Tuesday · 84.9% · 988 recorded · 984 measured · Source: the US BTS Wednesday · 84.4% · 1,008 recorded · 1,001 measured · Source: the US BTS Thursday · 80.1% · 1,098 recorded · 1,098 measured · Source: the US BTS Friday · 78.4% · 1,085 recorded · 1,083 measured · Source: the US BTS Saturday · 84.6% · 930 recorded · 929 measured · Source: the US BTS Sunday · 82.0% · 1,111 recorded · 1,108 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Monday · 11.1 min · 1,098 recorded · 1,095 measured · Source: the US BTS Tuesday · 8.8 min · 988 recorded · 984 measured · Source: the US BTS Wednesday · 6.3 min · 1,008 recorded · 1,001 measured · Source: the US BTS Thursday · 11.5 min · 1,098 recorded · 1,098 measured · Source: the US BTS Friday · 15.3 min · 1,085 recorded · 1,083 measured · Source: the US BTS Saturday · 6.2 min · 930 recorded · 929 measured · Source: the US BTS Sunday · 8.7 min · 1,111 recorded · 1,108 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 1,098 · 1,098 recorded · 1,095 measured · Source: the US BTS Tuesday · 988 · 988 recorded · 984 measured · Source: the US BTS Wednesday · 1,008 · 1,008 recorded · 1,001 measured · Source: the US BTS Thursday · 1,098 · 1,098 recorded · 1,098 measured · Source: the US BTS Friday · 1,085 · 1,085 recorded · 1,083 measured · Source: the US BTS Saturday · 930 · 930 recorded · 929 measured · Source: the US BTS Sunday · 1,111 · 1,111 recorded · 1,108 measured · Source: the US BTS

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View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday81.4%11.1 min1,0951,098
Tuesday84.9%8.8 min984988
Wednesday84.4%6.3 min1,0011,008
Thursday80.1%11.5 min1,0981,098
Friday78.4%15.3 min1,0831,085
Saturday84.6%6.2 min929930
Sunday82.0%8.7 min1,1081,111

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Jan · 85.7% · 687 recorded · 687 measured · Source: the US BTS Feb · 83.4% · 642 recorded · 640 measured · Source: the US BTS Mar · 82.3% · 746 recorded · 744 measured · Source: the US BTS Apr · 83.3% · 712 recorded · 712 measured · Source: the US BTS May · 82.5% · 684 recorded · 684 measured · Source: the US BTS Jun · 74.8% · 644 recorded · 642 measured · Source: the US BTS Jul · 78.9% · 674 recorded · 669 measured · Source: the US BTS Aug · 85.5% · 297 recorded · 297 measured · Source: the US BTS Sep · 83.6% · 258 recorded · 256 measured · Source: the US BTS Oct · 81.6% · 598 recorded · 598 measured · Source: the US BTS Nov · 83.6% · 683 recorded · 676 measured · Source: the US BTS Dec · 82.7% · 693 recorded · 693 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Jan · 5.2 min · 687 recorded · 687 measured · Source: the US BTS Feb · 10.1 min · 642 recorded · 640 measured · Source: the US BTS Mar · 8.2 min · 746 recorded · 744 measured · Source: the US BTS Apr · 9.2 min · 712 recorded · 712 measured · Source: the US BTS May · 8.8 min · 684 recorded · 684 measured · Source: the US BTS Jun · 16.7 min · 644 recorded · 642 measured · Source: the US BTS Jul · 9.3 min · 674 recorded · 669 measured · Source: the US BTS Aug · 6.7 min · 297 recorded · 297 measured · Source: the US BTS Sep · 14.8 min · 258 recorded · 256 measured · Source: the US BTS Oct · 9.9 min · 598 recorded · 598 measured · Source: the US BTS Nov · 11.0 min · 683 recorded · 676 measured · Source: the US BTS Dec · 10.1 min · 693 recorded · 693 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 687 · 687 recorded · 687 measured · Source: the US BTS Feb · 642 · 642 recorded · 640 measured · Source: the US BTS Mar · 746 · 746 recorded · 744 measured · Source: the US BTS Apr · 712 · 712 recorded · 712 measured · Source: the US BTS May · 684 · 684 recorded · 684 measured · Source: the US BTS Jun · 644 · 644 recorded · 642 measured · Source: the US BTS Jul · 674 · 674 recorded · 669 measured · Source: the US BTS Aug · 297 · 297 recorded · 297 measured · Source: the US BTS Sep · 258 · 258 recorded · 256 measured · Source: the US BTS Oct · 598 · 598 recorded · 598 measured · Source: the US BTS Nov · 683 · 683 recorded · 676 measured · Source: the US BTS Dec · 693 · 693 recorded · 693 measured · Source: the US BTS

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View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan85.7%5.2 min687687
Feb83.4%10.1 min640642
Mar82.3%8.2 min744746
Apr83.3%9.2 min712712
May82.5%8.8 min684684
Jun74.8%16.7 min642644
Jul78.9%9.3 min669674
Aug85.5%6.7 min297297
Sep83.6%14.8 min256258
Oct81.6%9.9 min598598
Nov83.6%11.0 min676683
Dec82.7%10.1 min693693

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

  • On time 81.9% 5,994
  • Delayed >15 min 17.8% 1,304
  • Cancelled 0.3% 20
  • Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Flight numbers on this route

94
94 of 94
Flight numbersBy direction DeparturesOn time
OO6280 BOI → PHX 382 78.5%
OO6280 PHX → BOI 290 83.8%
OO6450 BOI → PHX 216 95.8%
OO6332 PHX → BOI 164 69.5%
OO6242 PHX → BOI 157 86.5%
OO6449 PHX → BOI 143 82.3%
OO4912 PHX → BOI 137 78.8%
WN3551 BOI → PHX 114 90.4%
OO3396 BOI → PHX 91 90.1%
OO3413 PHX → BOI 91 83.5%
WN649 PHX → BOI 89 96.6%
WN1395 BOI → PHX 86 70.9%
OO4920 BOI → PHX 75 96.0%
OO4952 PHX → BOI 75 90.7%
OO6475 BOI → PHX 72 94.4%
OO4889 PHX → BOI 68 92.5%
OO4889 BOI → PHX 67 84.6%
OO4921 PHX → BOI 67 86.6%
OO4934 PHX → BOI 67 83.6%
OO4934 BOI → PHX 66 77.3%
WN1419 PHX → BOI 65 76.9%
AA1368 PHX → BOI 62 85.5%
AA1368 BOI → PHX 62 83.9%
OO6322 BOI → PHX 62 96.8%
OO6325 BOI → PHX 62 76.7%
OO6325 PHX → BOI 62 86.9%
WN1406 PHX → BOI 61 45.9%
WN1744 BOI → PHX 61 82.0%
WN334 BOI → PHX 60 93.2%
WN121 PHX → BOI 59 50.9%
WN1365 PHX → BOI 58 87.7%
WN1591 BOI → PHX 58 56.9%
WN2179 PHX → BOI 58 67.2%
WN2254 BOI → PHX 58 75.9%
WN2352 PHX → BOI 58 96.6%
WN4413 BOI → PHX 58 98.3%
WN4483 PHX → BOI 58 62.1%
WN4686 BOI → PHX 58 84.5%
WN4941 BOI → PHX 58 94.8%
WN648 BOI → PHX 58 94.8%
WN685 PHX → BOI 58 82.8%
WN711 BOI → PHX 58 33.3%
OO4921 BOI → PHX 55 76.4%
WN4202 PHX → BOI 52 78.9%
OO3095 BOI → PHX 51 94.1%
OO3096 PHX → BOI 50 86.0%
OO6219 BOI → PHX 50 88.0%
WN1622 PHX → BOI 50 62.0%
WN3188 PHX → BOI 45 73.3%
WN4052 PHX → BOI 45 91.1%
MQ4093 PHX → BOI 44 90.9%
MQ4093 BOI → PHX 44 79.6%
MQ3390 PHX → BOI 42 97.6%
MQ3390 BOI → PHX 42 90.5%
MQ4080 PHX → BOI 42 78.6%
MQ4080 BOI → PHX 42 69.1%
OO3007 BOI → PHX 42 92.7%
OO3029 PHX → BOI 42 87.8%
WN1405 PHX → BOI 42 88.1%
WN1063 BOI → PHX 41 90.2%
OO4942 BOI → PHX 37 89.2%
OO4966 PHX → BOI 37 81.1%
OO4966 BOI → PHX 37 78.4%
WN1391 BOI → PHX 35 82.9%
WN3355 PHX → BOI 35 80.0%
WN3190 BOI → PHX 34 91.2%
WN3473 BOI → PHX 34 79.4%
AA2015 PHX → BOI 33 81.8%
AA2015 BOI → PHX 33 72.7%
OO3384 BOI → PHX 33 87.9%
OO4846 BOI → PHX 33 84.9%
WN1155 BOI → PHX 33 84.9%
WN1314 BOI → PHX 33 100.0%
WN3315 PHX → BOI 33 66.7%
WN3725 PHX → BOI 33 81.8%
WN4601 PHX → BOI 33 93.9%
OO3250 BOI → PHX 32 93.8%
OO3428 PHX → BOI 32 93.8%
OO6236 PHX → BOI 32 84.4%
OO6236 BOI → PHX 32 78.1%
WN2111 BOI → PHX 32 64.5%
WN4629 BOI → PHX 32 100.0%
OO5014 PHX → BOI 31 93.6%
OO6307 BOI → PHX 31 93.6%
OO6532 BOI → PHX 31 93.6%
OO6532 PHX → BOI 31 100.0%
WN2386 PHX → BOI 31 87.1%
MQ3883 PHX → BOI 30 93.3%
MQ3909 BOI → PHX 30 90.0%
OO4843 BOI → PHX 30 83.3%
OO4935 PHX → BOI 30 90.0%
OO4948 PHX → BOI 30 90.0%
WN2224 BOI → PHX 30 86.7%
WN888 PHX → BOI 30 70.0%

Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.

Monthly figures
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 365 +20.1% 1 78.1%
June 2026 341 +13.3% 1 70.7%
May 2026 312 −16.1% 0 78.8%
April 2026 298 −28.0% 0 81.9%
March 2026 346 −13.1% 2 85.0%
February 2026 310 −6.1% 2 85.8%
January 2026 344 +0.3% 0 83.4%
December 2025 376 +18.6% 0 83.8%
November 2025 373 +23.1% 7 80.7%
October 2025 396 +96.0% 0 80.1%
September 2025 256 2 83.6%
August 2025 297 0 85.5%
July 2025 304 4 79.9%
June 2025 301 1 79.4%
May 2025 372 0 85.5%
April 2025 414 0 84.3%
March 2025 398 0 79.9%
February 2025 330 0 81.2%
January 2025 343 0 88.0%
December 2024 317 0 81.4%
November 2024 303 0 87.1%
October 2024 202 0 84.7%

How to read this chart

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