700 km · Domestic

Chicago O'Hare (ORD) – Sioux Gateway Airport / Brigadier General Bud Day Field (SUX)

In July 2026, 60 flights operated between Chicago O'Hare and Sioux Gateway Airport / Brigadier General Bud Day Field (both directions), and 78.3% left on time, according to the US BTS.

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
January6261▼ 1.6%
February5556▲ 1.8%
March5957▼ 3.4%
April5958▼ 1.7%
May62620.0%
June6058▼ 3.3%
July5960▲ 1.7%
August60––
September60––
October62–in progress
November55––
December57––
Year to date (Jan–Jul)416412▼ 1.0%

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
January69.4%80.3%▲ 15.7%
February87.3%75.0%▼ 14.1%
March57.6%82.5%▲ 43.2%
April94.9%62.1%▼ 34.6%
May69.4%77.4%▲ 11.5%
June53.3%81.0%▲ 52.0%
July62.7%78.3%▲ 24.9%
August66.7%––
September85.0%––
October80.6%–in progress
November80.0%––
December68.4%––
Year-to-date average (Jan–Jul)70.7%76.7%▲ 8.5%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January01–
February10▼ 100.0%
March35▲ 66.7%
April12▲ 100.0%
May00–
June02–
July32▼ 33.3%
August2––
September0––
October0–in progress
November5––
December5––
Year to date (Jan–Jul)812▲ 50.0%

By direction

ORD → SUX

Scheduled flights
658
Flights operated
632
Cancelled
26 · 4.0%
On-time departures
67.6%

SUX → ORD

Scheduled flights
658
Flights operated
645
Cancelled
13 · 2.0%
On-time departures
83.3%

ORD → SUX and SUX → ORD counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
SkyWest Airlines OO 1,316 100.0% 75.5% 39

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 delay07:00–08:0020.0min · 238 recorded · 231 measured
Gap to highest-delay hour14.5min07:00 ↔ 20:00
Recorded flights1,316ORD–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 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · 86.6% · 238 recorded · 231 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 61 recorded · 61 measured · Source: the US BTS 09:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 10:00 · 76.1% · 225 recorded · 222 measured · Source: the US BTS 11:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 114 recorded · 111 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 21 recorded · 21 measured · Source: the US BTS 14:00 · Fewer than 200 measured departures · 3 recorded · 3 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 144 recorded · 136 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 64 recorded · 63 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · 64.5% · 224 recorded · 217 measured · Source: the US BTS 21:00 · 71.2% · 222 recorded · 212 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 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · 20.0 min · 238 recorded · 231 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 61 recorded · 61 measured · Source: the US BTS 09:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 10:00 · 27.4 min · 225 recorded · 222 measured · Source: the US BTS 11:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 114 recorded · 111 measured · Source: the US BTS 13:00 · Fewer than 200 measured departures · 21 recorded · 21 measured · Source: the US BTS 14:00 · Fewer than 200 measured departures · 3 recorded · 3 measured · Source: the US BTS 15:00 · Fewer than 200 measured departures · 144 recorded · 136 measured · Source: the US BTS 16:00 · Fewer than 200 measured departures · 64 recorded · 63 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · 34.6 min · 224 recorded · 217 measured · Source: the US BTS 21:00 · 27.1 min · 222 recorded · 212 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 · No observations · 0 recorded · 0 measured · Source: the US BTS 07:00 · 238 · 238 recorded · 231 measured · Source: the US BTS 08:00 · 61 · 61 recorded · 61 measured · Source: the US BTS 09:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 10:00 · 225 · 225 recorded · 222 measured · Source: the US BTS 11:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 12:00 · 114 · 114 recorded · 111 measured · Source: the US BTS 13:00 · 21 · 21 recorded · 21 measured · Source: the US BTS 14:00 · 3 · 3 recorded · 3 measured · Source: the US BTS 15:00 · 144 · 144 recorded · 136 measured · Source: the US BTS 16:00 · 64 · 64 recorded · 63 measured · Source: the US BTS 17:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 20:00 · 224 · 224 recorded · 217 measured · Source: the US BTS 21:00 · 222 · 222 recorded · 212 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———
06:00No observations———
07:0086.6%20.0 min231238
08:00Fewer than 200 measured departures—6161
09:00No observations———
10:0076.1%27.4 min222225
11:00No observations———
12:00Fewer than 200 measured departures—111114
13:00Fewer than 200 measured departures—2121
14:00Fewer than 200 measured departures—33
15:00Fewer than 200 measured departures—136144
16:00Fewer than 200 measured departures—6364
17:00No observations———
18:00No observations———
19:00No observations———
20:0064.5%34.6 min217224
21:0071.2%27.1 min212222
22:00No observations———
23:00No observations———

Day of week

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 188 · 188 recorded · 182 measured · Source: the US BTS Tuesday · 188 · 188 recorded · 186 measured · Source: the US BTS Wednesday · 188 · 188 recorded · 184 measured · Source: the US BTS Thursday · 188 · 188 recorded · 183 measured · Source: the US BTS Friday · 188 · 188 recorded · 177 measured · Source: the US BTS Saturday · 188 · 188 recorded · 182 measured · Source: the US BTS Sunday · 188 · 188 recorded · 183 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
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
MondayFewer than 200 measured departures—182188
TuesdayFewer than 200 measured departures—186188
WednesdayFewer than 200 measured departures—184188
ThursdayFewer than 200 measured departures—183188
FridayFewer than 200 measured departures—177188
SaturdayFewer than 200 measured departures—182188
SundayFewer than 200 measured departures—183188

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 · 124 · 124 recorded · 123 measured · Source: the US BTS Feb · 112 · 112 recorded · 111 measured · Source: the US BTS Mar · 124 · 124 recorded · 116 measured · Source: the US BTS Apr · 120 · 120 recorded · 117 measured · Source: the US BTS May · 124 · 124 recorded · 124 measured · Source: the US BTS Jun · 120 · 120 recorded · 118 measured · Source: the US BTS Jul · 124 · 124 recorded · 119 measured · Source: the US BTS Aug · 62 · 62 recorded · 60 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 · 120 · 120 recorded · 114 measured · Source: the US BTS Dec · 124 · 124 recorded · 113 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—123124
FebFewer than 200 measured departures—111112
MarFewer than 200 measured departures—116124
AprFewer than 200 measured departures—117120
MayFewer than 200 measured departures—124124
JunFewer than 200 measured departures—118120
JulFewer than 200 measured departures—119124
AugFewer than 200 measured departures—6062
SepFewer than 200 measured departures—6060
OctFewer than 200 measured departures—102102
NovFewer than 200 measured departures—114120
DecFewer than 200 measured departures—113124

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 73.3% 964
  • Delayed >15 min 23.8% 313
  • Cancelled 3.0% 39
  • 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

10
10 of 10
Flight numbersBy direction DeparturesOn time
OO5021 ORD → SUX 494 68.4%
OO5071 SUX → ORD 395 82.7%
OO5021 SUX → ORD 56 83.0%
OO5031 SUX → ORD 37 89.2%
OO5069 ORD → SUX 37 75.0%
OO5085 ORD → SUX 37 63.9%
OO5131 SUX → ORD 37 86.5%
OO5119 SUX → ORD 32 93.8%
OO6064 ORD → SUX 32 51.6%
OO5087 ORD → SUX 31 61.3%

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 60 +1.7% 2 78.3%
June 2026 58 −3.3% 2 81.0%
May 2026 62 +0.0% 0 77.4%
April 2026 58 −1.7% 2 62.1%
March 2026 57 −3.4% 5 82.5%
February 2026 56 +1.8% 0 75.0%
January 2026 61 −1.6% 1 80.3%
December 2025 57 +1.8% 5 68.4%
November 2025 55 −6.8% 5 80.0%
October 2025 62 +55.0% 0 80.6%
September 2025 60 0 85.0%
August 2025 60 2 66.7%
July 2025 59 3 62.7%
June 2025 60 0 53.3%
May 2025 62 0 69.4%
April 2025 59 1 94.9%
March 2025 59 3 57.6%
February 2025 55 1 87.3%
January 2025 62 0 69.4%
December 2024 56 6 78.6%
November 2024 59 1 88.1%
October 2024 40 0 87.5%

How to read this chart

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