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749 km · Domestic

Denver (DEN) – Sioux Gateway Airport / Brigadier General Bud Day Field (SUX)

In July 2026, 96 flights operated between Denver and Sioux Gateway Airport / Brigadier General Bud Day Field (both directions), and 72.9% 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
January62111▲ 79.0%
February56110▲ 96.4%
March60119▲ 98.3%
April6093▲ 55.0%
May6094▲ 56.7%
June6094▲ 56.7%
July5996▲ 62.7%
August59––
September60––
October62–in progress
November58––
December60––
Year to date (Jan–Jul)417717▲ 71.9%

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
January79.0%83.8%▲ 6.1%
February69.6%87.3%▲ 25.4%
March90.0%83.2%▼ 7.6%
April81.7%71.0%▼ 13.1%
May73.3%76.6%▲ 4.5%
June41.7%80.9%▲ 94.0%
July55.9%72.9%▲ 30.4%
August57.6%––
September85.0%––
October88.7%–in progress
November93.1%––
December66.7%––
Year-to-date average (Jan–Jul)70.2%79.4%▲ 13.1%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January03–
February00–
March25▲ 150.0%
April01–
May24▲ 100.0%
June00–
July32▼ 33.3%
August3––
September0––
October0–in progress
November0––
December2––
Year to date (Jan–Jul)715▲ 114.3%

By direction

DEN → SUX

Scheduled flights
810
Flights operated
799
Cancelled
11 · 1.4%
On-time departures
81.6%

SUX → DEN

Scheduled flights
810
Flights operated
792
Cancelled
18 · 2.2%
On-time departures
72.1%

DEN → SUX and SUX → DEN counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
SkyWest Airlines OO 1,620 100.0% 76.9% 29

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 delay08:00–09:001.0min · 207 recorded · 204 measured
Gap to highest-delay hour30.0min08:00 ↔ 18:00
Recorded flights1,620DEN–SUX

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 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · Fewer than 200 measured departures · 134 recorded · 131 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · 89.7% · 207 recorded · 204 measured · Source: the US BTS 09:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 118 recorded · 117 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 118 recorded · 117 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 58 recorded · 58 measured · Source: the US BTS 14:00 · Fewer than 200 measured departures · 35 recorded · 34 measured · Source: the US BTS 15:00 · 80.3% · 355 recorded · 350 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · Fewer than 200 measured departures · 58 recorded · 58 measured · Source: the US BTS 18:00 · 63.1% · 382 recorded · 369 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · Fewer than 200 measured departures · 12 recorded · 12 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 143 recorded · 141 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 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 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · Fewer than 200 measured departures · 134 recorded · 131 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · 1.0 min · 207 recorded · 204 measured · Source: the US BTS 09:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · Fewer than 200 measured departures · 118 recorded · 117 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 118 recorded · 117 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 58 recorded · 58 measured · Source: the US BTS 14:00 · Fewer than 200 measured departures · 35 recorded · 34 measured · Source: the US BTS 15:00 · 12.9 min · 355 recorded · 350 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · Fewer than 200 measured departures · 58 recorded · 58 measured · Source: the US BTS 18:00 · 31.1 min · 382 recorded · 369 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · Fewer than 200 measured departures · 12 recorded · 12 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 143 recorded · 141 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 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 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · 134 · 134 recorded · 131 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · 207 · 207 recorded · 204 measured · Source: the US BTS 09:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 10:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 11:00 · 118 · 118 recorded · 117 measured · Source: the US BTS 12:00 · 118 · 118 recorded · 117 measured · Source: the US BTS 13:00 · 58 · 58 recorded · 58 measured · Source: the US BTS 14:00 · 35 · 35 recorded · 34 measured · Source: the US BTS 15:00 · 355 · 355 recorded · 350 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · 58 · 58 recorded · 58 measured · Source: the US BTS 18:00 · 382 · 382 recorded · 369 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · 12 · 12 recorded · 12 measured · Source: the US BTS 21:00 · 143 · 143 recorded · 141 measured · Source: the US BTS 22:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

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

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———
05:00No observations———
06:00Fewer than 200 measured departures—131134
07:00No observations———
08:0089.7%1.0 min204207
09:00No observations———
10:00No observations———
11:00Fewer than 200 measured departures—117118
12:00Fewer than 200 measured departures—117118
13:00Fewer than 200 measured departures—5858
14:00Fewer than 200 measured departures—3435
15:0080.3%12.9 min350355
16:00No observations———
17:00Fewer than 200 measured departures—5858
18:0063.1%31.1 min369382
19:00No observations———
20:00Fewer than 200 measured departures—1212
21:00Fewer than 200 measured departures—141143
22:00No observations———
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · 70.9% · 246 recorded · 244 measured · Source: the US BTS Tuesday · 81.1% · 214 recorded · 212 measured · Source: the US BTS Wednesday · 80.6% · 210 recorded · 206 measured · Source: the US BTS Thursday · 76.4% · 244 recorded · 241 measured · Source: the US BTS Friday · 73.2% · 248 recorded · 239 measured · Source: the US BTS Saturday · 80.1% · 212 recorded · 206 measured · Source: the US BTS Sunday · 77.4% · 246 recorded · 243 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 · 25.9 min · 246 recorded · 244 measured · Source: the US BTS Tuesday · 10.3 min · 214 recorded · 212 measured · Source: the US BTS Wednesday · 11.2 min · 210 recorded · 206 measured · Source: the US BTS Thursday · 14.8 min · 244 recorded · 241 measured · Source: the US BTS Friday · 24.5 min · 248 recorded · 239 measured · Source: the US BTS Saturday · 19.6 min · 212 recorded · 206 measured · Source: the US BTS Sunday · 19.5 min · 246 recorded · 243 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 · 246 · 246 recorded · 244 measured · Source: the US BTS Tuesday · 214 · 214 recorded · 212 measured · Source: the US BTS Wednesday · 210 · 210 recorded · 206 measured · Source: the US BTS Thursday · 244 · 244 recorded · 241 measured · Source: the US BTS Friday · 248 · 248 recorded · 239 measured · Source: the US BTS Saturday · 212 · 212 recorded · 206 measured · Source: the US BTS Sunday · 246 · 246 recorded · 243 measured · Source: the US BTS

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

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday70.9%25.9 min244246
Tuesday81.1%10.3 min212214
Wednesday80.6%11.2 min206210
Thursday76.4%14.8 min241244
Friday73.2%24.5 min239248
Saturday80.1%19.6 min206212
Sunday77.4%19.5 min243246

Month of year

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

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 176 · 176 recorded · 173 measured · Source: the US BTS Feb · 166 · 166 recorded · 166 measured · Source: the US BTS Mar · 186 · 186 recorded · 179 measured · Source: the US BTS Apr · 154 · 154 recorded · 153 measured · Source: the US BTS May · 160 · 160 recorded · 154 measured · Source: the US BTS Jun · 154 · 154 recorded · 154 measured · Source: the US BTS Jul · 160 · 160 recorded · 155 measured · Source: the US BTS Aug · 62 · 62 recorded · 59 measured · Source: the US BTS Sep · 60 · 60 recorded · 60 measured · Source: the US BTS Oct · 102 · 102 recorded · 102 measured · Source: the US BTS Nov · 116 · 116 recorded · 114 measured · Source: the US BTS Dec · 124 · 124 recorded · 122 measured · Source: the US BTS

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

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanFewer than 200 measured departures—173176
FebFewer than 200 measured departures—166166
MarFewer than 200 measured departures—179186
AprFewer than 200 measured departures—153154
MayFewer than 200 measured departures—154160
JunFewer than 200 measured departures—154154
JulFewer than 200 measured departures—155160
AugFewer than 200 measured departures—5962
SepFewer than 200 measured departures—6060
OctFewer than 200 measured departures—102102
NovFewer than 200 measured departures—114116
DecFewer than 200 measured departures—122124

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 75.5% 1,223
  • Delayed >15 min 22.7% 368
  • Cancelled 1.8% 29
  • 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

18
18 of 18
Flight numbersBy direction DeparturesOn time
OO5104 DEN → SUX 617 81.7%
OO5081 SUX → DEN 131 79.8%
OO5101 DEN → SUX 118 75.2%
OO5104 SUX → DEN 61 70.5%
OO5128 SUX → DEN 49 81.3%
OO5035 SUX → DEN 43 78.1%
OO5061 DEN → SUX 37 86.5%
OO5071 SUX → DEN 37 78.4%
OO5101 SUX → DEN 37 80.6%
OO5106 DEN → SUX 37 94.4%
OO5114 SUX → DEN 37 89.2%
OO5107 SUX → DEN 36 88.9%
OO5129 SUX → DEN 36 44.1%
OO5070 SUX → DEN 35 32.4%
OO5125 SUX → DEN 32 81.3%
OO6078 SUX → DEN 32 61.3%
OO5021 SUX → DEN 31 55.2%
OO6064 SUX → DEN 30 60.0%

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 96 +62.7% 2 72.9%
June 2026 94 +56.7% 0 80.9%
May 2026 94 +56.7% 4 76.6%
April 2026 93 +55.0% 1 71.0%
March 2026 119 +98.3% 5 83.2%
February 2026 110 +96.4% 0 87.3%
January 2026 111 +79.0% 3 83.8%
December 2025 60 −3.2% 2 66.7%
November 2025 58 +3.6% 0 93.1%
October 2025 62 +55.0% 0 88.7%
September 2025 60 0 85.0%
August 2025 59 3 57.6%
July 2025 59 3 55.9%
June 2025 60 0 41.7%
May 2025 60 2 73.3%
April 2025 60 0 81.7%
March 2025 60 2 90.0%
February 2025 56 0 69.6%
January 2025 62 0 79.0%
December 2024 62 0 91.9%
November 2024 56 2 76.8%
October 2024 40 0 60.0%

How to read this chart

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