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507 km · Domestic

Columbia (COU) – Chicago O'Hare (ORD)

In July 2026, 298 flights operated between Columbia and Chicago O'Hare (both directions), and 80.9% 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
January106356▲ 235.8%
February100328▲ 228.0%
March110338▲ 207.3%
April156366▲ 134.6%
May180364▲ 102.2%
June164336▲ 104.9%
July163298▲ 82.8%
August148––
September213––
October358–in progress
November308––
December392––
Year to date (Jan–Jul)9792,386▲ 143.7%

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
January72.6%72.2%▼ 0.6%
February78.0%79.0%▲ 1.3%
March81.8%71.9%▼ 12.1%
April82.1%74.0%▼ 9.9%
May92.8%84.9%▼ 8.5%
June72.6%79.5%▲ 9.5%
July71.8%80.9%▲ 12.7%
August75.7%––
September82.2%––
October80.2%–in progress
November76.3%––
December62.0%––
Year-to-date average (Jan–Jul)78.8%77.5%▼ 1.7%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January614▲ 133.3%
February120▼ 100.0%
March826▲ 225.0%
April024–
May28▲ 300.0%
June212▲ 500.0%
July112▲ 1,100.0%
August6––
September2––
October0–in progress
November25––
December18––
Year to date (Jan–Jul)3196▲ 209.7%

Airlines on this route

  1. Envoy Air 67.7%
  2. SkyWest Airlines 32.3%

Oct 1, 2024 – Jul 31, 2026

By direction

COU → ORD

Scheduled flights
2,601
Flights operated
2,511
Cancelled
90 · 3.5%
On-time departures
79.2%

ORD → COU

Scheduled flights
2,601
Flights operated
2,513
Cancelled
88 · 3.4%
On-time departures
74.7%

COU → ORD and ORD → COU counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Envoy Air MQ 3,521 67.7% 78.9% 96
SkyWest Airlines OO 1,681 32.3% 72.7% 82

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 delay06:00–07:007.6min · 445 recorded · 440 measured
Gap to highest-delay hour20.6min06:00 ↔ 15:00
Recorded flights5,202COU–ORD

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 · Fewer than 200 measured departures · 203 recorded · 195 measured · Source: the US BTS 06:00 · 92.5% · 445 recorded · 440 measured · Source: the US BTS 07:00 · Fewer than 200 measured departures · 24 recorded · 22 measured · Source: the US BTS 08:00 · 85.9% · 534 recorded · 523 measured · Source: the US BTS 09:00 · 83.3% · 339 recorded · 335 measured · Source: the US BTS 10:00 · 76.9% · 232 recorded · 229 measured · Source: the US BTS 11:00 · 76.9% · 402 recorded · 394 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 154 recorded · 147 measured · Source: the US BTS 13:00 · 79.1% · 331 recorded · 326 measured · Source: the US BTS 14:00 · 77.8% · 270 recorded · 261 measured · Source: the US BTS 15:00 · 71.7% · 370 recorded · 353 measured · Source: the US BTS 16:00 · 80.2% · 367 recorded · 353 measured · Source: the US BTS 17:00 · 68.1% · 238 recorded · 226 measured · Source: the US BTS 18:00 · 67.6% · 306 recorded · 284 measured · Source: the US BTS 19:00 · 65.4% · 704 recorded · 673 measured · Source: the US BTS 20:00 · Fewer than 200 measured departures · 206 recorded · 195 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 77 recorded · 68 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 · Fewer than 200 measured departures · 203 recorded · 195 measured · Source: the US BTS 06:00 · 7.6 min · 445 recorded · 440 measured · Source: the US BTS 07:00 · Fewer than 200 measured departures · 24 recorded · 22 measured · Source: the US BTS 08:00 · 11.8 min · 534 recorded · 523 measured · Source: the US BTS 09:00 · 11.6 min · 339 recorded · 335 measured · Source: the US BTS 10:00 · 18.2 min · 232 recorded · 229 measured · Source: the US BTS 11:00 · 17.4 min · 402 recorded · 394 measured · Source: the US BTS 12:00 · Fewer than 200 measured departures · 154 recorded · 147 measured · Source: the US BTS 13:00 · 10.7 min · 331 recorded · 326 measured · Source: the US BTS 14:00 · 13.0 min · 270 recorded · 261 measured · Source: the US BTS 15:00 · 28.2 min · 370 recorded · 353 measured · Source: the US BTS 16:00 · 8.8 min · 367 recorded · 353 measured · Source: the US BTS 17:00 · 18.0 min · 238 recorded · 226 measured · Source: the US BTS 18:00 · 23.8 min · 306 recorded · 284 measured · Source: the US BTS 19:00 · 27.0 min · 704 recorded · 673 measured · Source: the US BTS 20:00 · Fewer than 200 measured departures · 206 recorded · 195 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 77 recorded · 68 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

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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 · 203 · 203 recorded · 195 measured · Source: the US BTS 06:00 · 445 · 445 recorded · 440 measured · Source: the US BTS 07:00 · 24 · 24 recorded · 22 measured · Source: the US BTS 08:00 · 534 · 534 recorded · 523 measured · Source: the US BTS 09:00 · 339 · 339 recorded · 335 measured · Source: the US BTS 10:00 · 232 · 232 recorded · 229 measured · Source: the US BTS 11:00 · 402 · 402 recorded · 394 measured · Source: the US BTS 12:00 · 154 · 154 recorded · 147 measured · Source: the US BTS 13:00 · 331 · 331 recorded · 326 measured · Source: the US BTS 14:00 · 270 · 270 recorded · 261 measured · Source: the US BTS 15:00 · 370 · 370 recorded · 353 measured · Source: the US BTS 16:00 · 367 · 367 recorded · 353 measured · Source: the US BTS 17:00 · 238 · 238 recorded · 226 measured · Source: the US BTS 18:00 · 306 · 306 recorded · 284 measured · Source: the US BTS 19:00 · 704 · 704 recorded · 673 measured · Source: the US BTS 20:00 · 206 · 206 recorded · 195 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · 77 · 77 recorded · 68 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 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———
05:00Fewer than 200 measured departures—195203
06:0092.5%7.6 min440445
07:00Fewer than 200 measured departures—2224
08:0085.9%11.8 min523534
09:0083.3%11.6 min335339
10:0076.9%18.2 min229232
11:0076.9%17.4 min394402
12:00Fewer than 200 measured departures—147154
13:0079.1%10.7 min326331
14:0077.8%13.0 min261270
15:0071.7%28.2 min353370
16:0080.2%8.8 min353367
17:0068.1%18.0 min226238
18:0067.6%23.8 min284306
19:0065.4%27.0 min673704
20:00Fewer than 200 measured departures—195206
21:00No observations———
22:00Fewer than 200 measured departures—6877
23:00No observations———

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · 77.4% · 778 recorded · 744 measured · Source: the US BTS Tuesday · 77.2% · 713 recorded · 696 measured · Source: the US BTS Wednesday · 79.9% · 723 recorded · 698 measured · Source: the US BTS Thursday · 78.1% · 760 recorded · 743 measured · Source: the US BTS Friday · 75.9% · 770 recorded · 746 measured · Source: the US BTS Saturday · 76.9% · 686 recorded · 658 measured · Source: the US BTS Sunday · 73.2% · 772 recorded · 739 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 · 16.4 min · 778 recorded · 744 measured · Source: the US BTS Tuesday · 15.9 min · 713 recorded · 696 measured · Source: the US BTS Wednesday · 11.8 min · 723 recorded · 698 measured · Source: the US BTS Thursday · 19.2 min · 760 recorded · 743 measured · Source: the US BTS Friday · 18.1 min · 770 recorded · 746 measured · Source: the US BTS Saturday · 14.6 min · 686 recorded · 658 measured · Source: the US BTS Sunday · 26.4 min · 772 recorded · 739 measured · Source: the US BTS

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Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 778 · 778 recorded · 744 measured · Source: the US BTS Tuesday · 713 · 713 recorded · 696 measured · Source: the US BTS Wednesday · 723 · 723 recorded · 698 measured · Source: the US BTS Thursday · 760 · 760 recorded · 743 measured · Source: the US BTS Friday · 770 · 770 recorded · 746 measured · Source: the US BTS Saturday · 686 · 686 recorded · 658 measured · Source: the US BTS Sunday · 772 · 772 recorded · 739 measured · Source: the US BTS

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View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday77.4%16.4 min744778
Tuesday77.2%15.9 min696713
Wednesday79.9%11.8 min698723
Thursday78.1%19.2 min743760
Friday75.9%18.1 min746770
Saturday76.9%14.6 min658686
Sunday73.2%26.4 min739772

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 · 72.3% · 482 recorded · 462 measured · Source: the US BTS Feb · 78.7% · 440 recorded · 428 measured · Source: the US BTS Mar · 74.3% · 482 recorded · 448 measured · Source: the US BTS Apr · 76.4% · 546 recorded · 522 measured · Source: the US BTS May · 87.5% · 554 recorded · 544 measured · Source: the US BTS Jun · 77.2% · 514 recorded · 500 measured · Source: the US BTS Jul · 77.7% · 474 recorded · 461 measured · Source: the US BTS Aug · Fewer than 200 measured departures · 154 recorded · 148 measured · Source: the US BTS Sep · 82.2% · 215 recorded · 213 measured · Source: the US BTS Oct · 81.5% · 438 recorded · 438 measured · Source: the US BTS Nov · 76.9% · 401 recorded · 376 measured · Source: the US BTS Dec · 63.6% · 502 recorded · 484 measured · Source: the US BTS

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Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
Jan · 25.9 min · 482 recorded · 462 measured · Source: the US BTS Feb · 14.3 min · 440 recorded · 428 measured · Source: the US BTS Mar · 18.2 min · 482 recorded · 448 measured · Source: the US BTS Apr · 20.2 min · 546 recorded · 522 measured · Source: the US BTS May · 8.6 min · 554 recorded · 544 measured · Source: the US BTS Jun · 19.2 min · 514 recorded · 500 measured · Source: the US BTS Jul · 12.8 min · 474 recorded · 461 measured · Source: the US BTS Aug · Fewer than 200 measured departures · 154 recorded · 148 measured · Source: the US BTS Sep · 8.0 min · 215 recorded · 213 measured · Source: the US BTS Oct · 9.7 min · 438 recorded · 438 measured · Source: the US BTS Nov · 15.1 min · 401 recorded · 376 measured · Source: the US BTS Dec · 38.1 min · 502 recorded · 484 measured · Source: the US BTS

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Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 482 · 482 recorded · 462 measured · Source: the US BTS Feb · 440 · 440 recorded · 428 measured · Source: the US BTS Mar · 482 · 482 recorded · 448 measured · Source: the US BTS Apr · 546 · 546 recorded · 522 measured · Source: the US BTS May · 554 · 554 recorded · 544 measured · Source: the US BTS Jun · 514 · 514 recorded · 500 measured · Source: the US BTS Jul · 474 · 474 recorded · 461 measured · Source: the US BTS Aug · 154 · 154 recorded · 148 measured · Source: the US BTS Sep · 215 · 215 recorded · 213 measured · Source: the US BTS Oct · 438 · 438 recorded · 438 measured · Source: the US BTS Nov · 401 · 401 recorded · 376 measured · Source: the US BTS Dec · 502 · 502 recorded · 484 measured · Source: the US BTS

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View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan72.3%25.9 min462482
Feb78.7%14.3 min428440
Mar74.3%18.2 min448482
Apr76.4%20.2 min522546
May87.5%8.6 min544554
Jun77.2%19.2 min500514
Jul77.7%12.8 min461474
AugFewer than 200 measured departures—148154
Sep82.2%8.0 min213215
Oct81.5%9.7 min438438
Nov76.9%15.1 min376401
Dec63.6%38.1 min484502

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 74.3% 3,864
  • Delayed >15 min 22.3% 1,160
  • Cancelled 3.4% 178
  • 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

51
51 of 51
Flight numbersBy direction DeparturesOn time
MQ3745 ORD → COU 566 70.6%
MQ3655 COU → ORD 405 93.5%
OO5521 ORD → COU 279 74.8%
OO5609 COU → ORD 279 84.8%
OO5869 COU → ORD 278 71.7%
MQ3744 COU → ORD 249 89.6%
MQ4142 COU → ORD 209 64.9%
OO5679 ORD → COU 201 54.4%
MQ4228 COU → ORD 150 76.9%
MQ4040 ORD → COU 127 76.0%
MQ4010 COU → ORD 114 71.3%
MQ4228 ORD → COU 106 82.5%
OO6007 COU → ORD 77 60.3%
OO6012 ORD → COU 77 72.0%
MQ4010 ORD → COU 73 84.9%
MQ3479 COU → ORD 72 72.7%
MQ3479 ORD → COU 72 85.5%
MQ3480 COU → ORD 72 79.2%
MQ3480 ORD → COU 72 84.7%
MQ3415 ORD → COU 61 51.7%
MQ4244 ORD → COU 59 65.5%
MQ4244 COU → ORD 56 67.3%
MQ3696 ORD → COU 46 71.1%
MQ3539 ORD → COU 45 93.3%
MQ3540 ORD → COU 44 74.4%
MQ3540 COU → ORD 44 78.1%
MQ3558 ORD → COU 44 90.9%
MQ3564 COU → ORD 44 75.0%
MQ3417 ORD → COU 42 81.6%
MQ4318 ORD → COU 37 70.3%
OO5336 ORD → COU 37 79.4%
OO5783 ORD → COU 37 73.0%
OO5841 COU → ORD 37 63.9%
OO5751 ORD → COU 35 72.7%
MQ3438 ORD → COU 33 97.0%
MQ3442 COU → ORD 33 93.9%
MQ3493 ORD → COU 31 93.6%
MQ3495 COU → ORD 31 96.8%
MQ3506 COU → ORD 31 90.3%
MQ4016 COU → ORD 31 73.3%
MQ4080 ORD → COU 31 77.4%
MQ4080 COU → ORD 31 74.2%
OO4728 COU → ORD 31 80.7%
OO5219 ORD → COU 31 67.7%
OO5236 ORD → COU 31 83.9%
MQ3495 ORD → COU 30 96.7%
MQ3542 COU → ORD 30 76.0%
MQ3577 ORD → COU 30 76.9%
MQ4016 ORD → COU 30 82.8%
MQ4271 COU → ORD 30 69.2%
OO4707 COU → ORD 30 86.7%

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 298 +82.8% 12 80.9%
June 2026 336 +104.9% 12 79.5%
May 2026 364 +102.2% 8 84.9%
April 2026 366 +134.6% 24 74.0%
March 2026 338 +207.3% 26 71.9%
February 2026 328 +228.0% 0 79.0%
January 2026 356 +235.8% 14 72.2%
December 2025 392 +326.1% 18 62.0%
November 2025 308 +352.9% 25 76.3%
October 2025 358 +347.5% 0 80.2%
September 2025 213 2 82.2%
August 2025 148 6 75.7%
July 2025 163 1 71.8%
June 2025 164 2 72.6%
May 2025 180 2 92.8%
April 2025 156 0 82.1%
March 2025 110 8 81.8%
February 2025 100 12 78.0%
January 2025 106 6 72.6%
December 2024 92 0 70.7%
November 2024 68 0 79.4%
October 2024 80 0 87.5%

How to read this chart

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