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1,574 km · Domestic

Austin Bergstrom (AUS) – Chicago O'Hare (ORD)

In July 2026, 524 flights operated between Austin Bergstrom and Chicago O'Hare (both directions), and 73.5% 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
January400392▼ 2.0%
February388427▲ 10.1%
March526580▲ 10.3%
April524568▲ 8.4%
May550598▲ 8.7%
June539529▼ 1.9%
July518524▲ 1.2%
August517––
September514––
October595–in progress
November491––
December473––
Year to date (Jan–Jul)3,4453,618▲ 5.0%

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
January81.8%76.0%▼ 7.1%
February80.7%86.7%▲ 7.4%
March82.5%68.6%▼ 16.8%
April81.9%76.4%▼ 6.7%
May74.5%77.4%▲ 3.9%
June77.0%74.9%▼ 2.7%
July65.8%73.5%▲ 11.7%
August76.8%––
September82.7%––
October78.0%–in progress
November76.4%––
December74.2%––
Year-to-date average (Jan–Jul)77.7%76.2%▼ 2.0%

Cancelled flights by month

The most recent periods19 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January822▲ 175.0%
February00–
March224▲ 1,100.0%
April421▲ 425.0%
May40▼ 100.0%
June59▲ 80.0%
July1822▲ 22.2%
August15––
September2––
October2–in progress
November18––
December2––
Year to date (Jan–Jul)4198▲ 139.0%

Airlines on this route

  1. United Airlines 44.7%
  2. American Airlines 36.2%
  3. Southwest Airlines 8.4%
  4. Envoy Air 5.1%
  5. Frontier Airlines 2.9%
  6. Republic Airways 2.4%

Oct 1, 2024 – Jul 31, 2026

By direction

AUS → ORD

Scheduled flights
5,556
Flights operated
5,462
Cancelled
94 · 1.7%
On-time departures
81.3%

ORD → AUS

Scheduled flights
5,560
Flights operated
5,474
Cancelled
86 · 1.5%
On-time departures
75.0%

AUS → ORD and ORD → AUS counted separately.

Airlines on this route

Oct 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
United Airlines UA 4,968 44.7% 82.9% 43
American Airlines AA 4,024 36.2% 72.3% 102
Southwest Airlines WN 938 8.4% 75.4% 3
Envoy Air MQ 570 5.1% 85.6% 8
Frontier Airlines F9 324 2.9% 67.5% 13
Republic Airways YX 266 2.4% 82.0% 11
SkyWest Airlines OO 26 0.2% 92.3% 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 delay07:00–08:004.8min · 958 recorded · 946 measured
Gap to highest-delay hour25.0min07:00 ↔ 20:00
Recorded flights11,116AUS–ORD

Departure hour

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
00:00 · Fewer than 200 measured departures · 4 recorded · 4 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 · 29 recorded · 28 measured · Source: the US BTS 06:00 · 91.0% · 739 recorded · 713 measured · Source: the US BTS 07:00 · 90.6% · 958 recorded · 946 measured · Source: the US BTS 08:00 · 87.8% · 1,142 recorded · 1,130 measured · Source: the US BTS 09:00 · 87.3% · 595 recorded · 591 measured · Source: the US BTS 10:00 · 83.7% · 734 recorded · 723 measured · Source: the US BTS 11:00 · 77.0% · 516 recorded · 509 measured · Source: the US BTS 12:00 · 83.7% · 723 recorded · 719 measured · Source: the US BTS 13:00 · 79.0% · 1,297 recorded · 1,289 measured · Source: the US BTS 14:00 · 73.0% · 574 recorded · 567 measured · Source: the US BTS 15:00 · 69.9% · 568 recorded · 561 measured · Source: the US BTS 16:00 · 74.5% · 459 recorded · 458 measured · Source: the US BTS 17:00 · 74.5% · 778 recorded · 764 measured · Source: the US BTS 18:00 · 61.8% · 520 recorded · 505 measured · Source: the US BTS 19:00 · 62.6% · 777 recorded · 757 measured · Source: the US BTS 20:00 · 65.3% · 495 recorded · 481 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 188 recorded · 173 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 17 recorded · 16 measured · Source: the US BTS 23:00 · Fewer than 200 measured departures · 3 recorded · 2 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 · Fewer than 200 measured departures · 4 recorded · 4 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 · 29 recorded · 28 measured · Source: the US BTS 06:00 · 11.9 min · 739 recorded · 713 measured · Source: the US BTS 07:00 · 4.8 min · 958 recorded · 946 measured · Source: the US BTS 08:00 · 6.9 min · 1,142 recorded · 1,130 measured · Source: the US BTS 09:00 · 8.1 min · 595 recorded · 591 measured · Source: the US BTS 10:00 · 11.8 min · 734 recorded · 723 measured · Source: the US BTS 11:00 · 17.3 min · 516 recorded · 509 measured · Source: the US BTS 12:00 · 9.2 min · 723 recorded · 719 measured · Source: the US BTS 13:00 · 12.8 min · 1,297 recorded · 1,289 measured · Source: the US BTS 14:00 · 18.7 min · 574 recorded · 567 measured · Source: the US BTS 15:00 · 26.7 min · 568 recorded · 561 measured · Source: the US BTS 16:00 · 14.4 min · 459 recorded · 458 measured · Source: the US BTS 17:00 · 22.8 min · 778 recorded · 764 measured · Source: the US BTS 18:00 · 29.7 min · 520 recorded · 505 measured · Source: the US BTS 19:00 · 26.2 min · 777 recorded · 757 measured · Source: the US BTS 20:00 · 29.9 min · 495 recorded · 481 measured · Source: the US BTS 21:00 · Fewer than 200 measured departures · 188 recorded · 173 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 17 recorded · 16 measured · Source: the US BTS 23:00 · Fewer than 200 measured departures · 3 recorded · 2 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 · 4 · 4 recorded · 4 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 · 29 · 29 recorded · 28 measured · Source: the US BTS 06:00 · 739 · 739 recorded · 713 measured · Source: the US BTS 07:00 · 958 · 958 recorded · 946 measured · Source: the US BTS 08:00 · 1,142 · 1,142 recorded · 1,130 measured · Source: the US BTS 09:00 · 595 · 595 recorded · 591 measured · Source: the US BTS 10:00 · 734 · 734 recorded · 723 measured · Source: the US BTS 11:00 · 516 · 516 recorded · 509 measured · Source: the US BTS 12:00 · 723 · 723 recorded · 719 measured · Source: the US BTS 13:00 · 1,297 · 1,297 recorded · 1,289 measured · Source: the US BTS 14:00 · 574 · 574 recorded · 567 measured · Source: the US BTS 15:00 · 568 · 568 recorded · 561 measured · Source: the US BTS 16:00 · 459 · 459 recorded · 458 measured · Source: the US BTS 17:00 · 778 · 778 recorded · 764 measured · Source: the US BTS 18:00 · 520 · 520 recorded · 505 measured · Source: the US BTS 19:00 · 777 · 777 recorded · 757 measured · Source: the US BTS 20:00 · 495 · 495 recorded · 481 measured · Source: the US BTS 21:00 · 188 · 188 recorded · 173 measured · Source: the US BTS 22:00 · 17 · 17 recorded · 16 measured · Source: the US BTS 23:00 · 3 · 3 recorded · 2 measured · Source: the US BTS

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View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00Fewer than 200 measured departures—44
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:00Fewer than 200 measured departures—2829
06:0091.0%11.9 min713739
07:0090.6%4.8 min946958
08:0087.8%6.9 min1,1301,142
09:0087.3%8.1 min591595
10:0083.7%11.8 min723734
11:0077.0%17.3 min509516
12:0083.7%9.2 min719723
13:0079.0%12.8 min1,2891,297
14:0073.0%18.7 min567574
15:0069.9%26.7 min561568
16:0074.5%14.4 min458459
17:0074.5%22.8 min764778
18:0061.8%29.7 min505520
19:0062.6%26.2 min757777
20:0065.3%29.9 min481495
21:00Fewer than 200 measured departures—173188
22:00Fewer than 200 measured departures—1617
23:00Fewer than 200 measured departures—23

Day of week

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
Monday · 77.6% · 1,717 recorded · 1,682 measured · Source: the US BTS Tuesday · 80.6% · 1,473 recorded · 1,460 measured · Source: the US BTS Wednesday · 79.1% · 1,503 recorded · 1,490 measured · Source: the US BTS Thursday · 78.4% · 1,686 recorded · 1,658 measured · Source: the US BTS Friday · 75.7% · 1,706 recorded · 1,668 measured · Source: the US BTS Saturday · 79.4% · 1,356 recorded · 1,332 measured · Source: the US BTS Sunday · 76.7% · 1,675 recorded · 1,646 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
Monday · 19.7 min · 1,717 recorded · 1,682 measured · Source: the US BTS Tuesday · 12.7 min · 1,473 recorded · 1,460 measured · Source: the US BTS Wednesday · 14.7 min · 1,503 recorded · 1,490 measured · Source: the US BTS Thursday · 15.3 min · 1,686 recorded · 1,658 measured · Source: the US BTS Friday · 18.7 min · 1,706 recorded · 1,668 measured · Source: the US BTS Saturday · 10.7 min · 1,356 recorded · 1,332 measured · Source: the US BTS Sunday · 21.0 min · 1,675 recorded · 1,646 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 · 1,717 · 1,717 recorded · 1,682 measured · Source: the US BTS Tuesday · 1,473 · 1,473 recorded · 1,460 measured · Source: the US BTS Wednesday · 1,503 · 1,503 recorded · 1,490 measured · Source: the US BTS Thursday · 1,686 · 1,686 recorded · 1,658 measured · Source: the US BTS Friday · 1,706 · 1,706 recorded · 1,668 measured · Source: the US BTS Saturday · 1,356 · 1,356 recorded · 1,332 measured · Source: the US BTS Sunday · 1,675 · 1,675 recorded · 1,646 measured · Source: the US BTS

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View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
Monday77.6%19.7 min1,6821,717
Tuesday80.6%12.7 min1,4601,473
Wednesday79.1%14.7 min1,4901,503
Thursday78.4%15.3 min1,6581,686
Friday75.7%18.7 min1,6681,706
Saturday79.4%10.7 min1,3321,356
Sunday76.7%21.0 min1,6461,675

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 · 78.9% · 822 recorded · 792 measured · Source: the US BTS Feb · 83.8% · 815 recorded · 815 measured · Source: the US BTS Mar · 75.2% · 1,132 recorded · 1,106 measured · Source: the US BTS Apr · 79.0% · 1,117 recorded · 1,092 measured · Source: the US BTS May · 76.1% · 1,152 recorded · 1,148 measured · Source: the US BTS Jun · 75.9% · 1,082 recorded · 1,068 measured · Source: the US BTS Jul · 69.7% · 1,082 recorded · 1,042 measured · Source: the US BTS Aug · 76.8% · 532 recorded · 517 measured · Source: the US BTS Sep · 82.7% · 516 recorded · 514 measured · Source: the US BTS Oct · 82.7% · 936 recorded · 934 measured · Source: the US BTS Nov · 82.5% · 985 recorded · 967 measured · Source: the US BTS Dec · 78.5% · 945 recorded · 941 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 · 17.0 min · 822 recorded · 792 measured · Source: the US BTS Feb · 11.8 min · 815 recorded · 815 measured · Source: the US BTS Mar · 20.8 min · 1,132 recorded · 1,106 measured · Source: the US BTS Apr · 16.9 min · 1,117 recorded · 1,092 measured · Source: the US BTS May · 15.0 min · 1,152 recorded · 1,148 measured · Source: the US BTS Jun · 20.8 min · 1,082 recorded · 1,068 measured · Source: the US BTS Jul · 24.0 min · 1,082 recorded · 1,042 measured · Source: the US BTS Aug · 14.7 min · 532 recorded · 517 measured · Source: the US BTS Sep · 10.4 min · 516 recorded · 514 measured · Source: the US BTS Oct · 10.7 min · 936 recorded · 934 measured · Source: the US BTS Nov · 11.5 min · 985 recorded · 967 measured · Source: the US BTS Dec · 16.9 min · 945 recorded · 941 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 · 822 · 822 recorded · 792 measured · Source: the US BTS Feb · 815 · 815 recorded · 815 measured · Source: the US BTS Mar · 1,132 · 1,132 recorded · 1,106 measured · Source: the US BTS Apr · 1,117 · 1,117 recorded · 1,092 measured · Source: the US BTS May · 1,152 · 1,152 recorded · 1,148 measured · Source: the US BTS Jun · 1,082 · 1,082 recorded · 1,068 measured · Source: the US BTS Jul · 1,082 · 1,082 recorded · 1,042 measured · Source: the US BTS Aug · 532 · 532 recorded · 517 measured · Source: the US BTS Sep · 516 · 516 recorded · 514 measured · Source: the US BTS Oct · 936 · 936 recorded · 934 measured · Source: the US BTS Nov · 985 · 985 recorded · 967 measured · Source: the US BTS Dec · 945 · 945 recorded · 941 measured · Source: the US BTS

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View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
Jan78.9%17.0 min792822
Feb83.8%11.8 min815815
Mar75.2%20.8 min1,1061,132
Apr79.0%16.9 min1,0921,117
May76.1%15.0 min1,1481,152
Jun75.9%20.8 min1,0681,082
Jul69.7%24.0 min1,0421,082
Aug76.8%14.7 min517532
Sep82.7%10.4 min514516
Oct82.7%10.7 min934936
Nov82.5%11.5 min967985
Dec78.5%16.9 min941945

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 76.9% 8,544
  • Delayed >15 min 21.5% 2,392
  • Cancelled 1.6% 180
  • 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

85
85 of 85
Flight numbersBy direction DeparturesOn time
UA1990 AUS → ORD 539 77.7%
AA1726 AUS → ORD 423 84.1%
UA1878 AUS → ORD 394 94.9%
UA457 ORD → AUS 330 61.6%
AA935 ORD → AUS 299 48.4%
UA381 AUS → ORD 293 80.8%
AA1064 AUS → ORD 288 88.7%
AA1715 ORD → AUS 276 56.3%
UA622 ORD → AUS 276 82.4%
AA1568 ORD → AUS 263 71.5%
UA1525 ORD → AUS 252 84.9%
UA1061 ORD → AUS 231 81.2%
AA2218 ORD → AUS 222 82.2%
AA1574 AUS → ORD 207 61.0%
UA312 ORD → AUS 181 66.3%
F992799 ORD → AUS 162 71.2%
UA669 ORD → AUS 157 93.0%
MQ3418 AUS → ORD 153 88.0%
AA1568 AUS → ORD 152 68.2%
F992800 AUS → ORD 146 63.8%
UA456 AUS → ORD 144 78.3%
AA1398 AUS → ORD 141 63.2%
AA1235 ORD → AUS 135 63.7%
AA1079 AUS → ORD 134 85.6%
AA2484 AUS → ORD 130 89.0%
UA210 AUS → ORD 121 82.6%
AA2208 ORD → AUS 120 66.1%
UA1625 AUS → ORD 117 77.2%
UA2133 AUS → ORD 114 86.7%
MQ3749 ORD → AUS 103 91.2%
UA733 AUS → ORD 96 75.8%
UA1336 ORD → AUS 86 91.9%
WN2428 ORD → AUS 80 90.0%
MQ4272 ORD → AUS 75 92.0%
UA202 AUS → ORD 75 93.3%
UA233 ORD → AUS 75 78.7%
AA2790 ORD → AUS 73 73.6%
UA1688 ORD → AUS 72 84.7%
UA2341 ORD → AUS 71 83.1%
UA1577 AUS → ORD 67 92.5%
UA301 ORD → AUS 67 94.0%
MQ3392 AUS → ORD 65 85.9%
WN2134 AUS → ORD 61 67.2%
WN671 ORD → AUS 61 51.7%
AA2358 ORD → AUS 60 62.7%
UA2225 ORD → AUS 58 91.4%
WN1290 AUS → ORD 58 74.1%
WN3667 ORD → AUS 58 77.6%
WN727 AUS → ORD 58 87.9%
WN972 ORD → AUS 58 79.3%
UA2389 ORD → AUS 56 90.9%
UA2369 ORD → AUS 54 87.0%
UA231 AUS → ORD 53 96.2%
WN1528 AUS → ORD 51 88.2%
WN3756 ORD → AUS 50 40.0%
WN2364 AUS → ORD 49 75.5%
AA2137 AUS → ORD 46 95.6%
UA2429 ORD → AUS 46 87.0%
AA1833 ORD → AUS 44 72.7%
AA2893 ORD → AUS 44 47.6%
AA3255 AUS → ORD 44 84.1%
UA693 AUS → ORD 44 88.6%
AA2077 ORD → AUS 42 85.7%
AA2430 ORD → AUS 41 65.0%
MQ3732 ORD → AUS 38 69.4%
UA2357 ORD → AUS 37 70.3%
UA314 AUS → ORD 37 89.2%
YX4570 ORD → AUS 37 84.9%
UA2042 AUS → ORD 36 88.2%
WN2871 AUS → ORD 36 80.6%
YX4569 AUS → ORD 36 90.6%
AA2431 AUS → ORD 35 73.5%
WN3856 ORD → AUS 33 72.7%
WN976 AUS → ORD 33 81.8%
AA1833 AUS → ORD 32 71.9%
UA1813 ORD → AUS 32 83.9%
WN1889 ORD → AUS 32 45.2%
AA1696 AUS → ORD 31 80.0%
AA2604 ORD → AUS 31 65.5%
UA1655 ORD → AUS 31 87.1%
UA276 AUS → ORD 31 90.3%
UA277 ORD → AUS 31 87.1%
WN2574 AUS → ORD 31 80.7%
WN887 ORD → AUS 31 83.9%
UA249 AUS → ORD 30 96.7%

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 524 +1.2% 22 73.5%
June 2026 529 −1.9% 9 74.9%
May 2026 598 +8.7% 0 77.4%
April 2026 568 +8.4% 21 76.4%
March 2026 580 +10.3% 24 68.6%
February 2026 427 +10.1% 0 86.7%
January 2026 392 −2.0% 22 76.0%
December 2025 473 +1.1% 2 74.2%
November 2025 491 +3.2% 18 76.4%
October 2025 595 +75.5% 2 78.0%
September 2025 514 2 82.7%
August 2025 517 15 76.8%
July 2025 518 18 65.8%
June 2025 539 5 77.0%
May 2025 550 4 74.5%
April 2025 524 4 81.9%
March 2025 526 2 82.5%
February 2025 388 0 80.7%
January 2025 400 8 81.8%
December 2024 468 2 82.9%
November 2024 476 0 88.9%
October 2024 339 0 90.9%

How to read this chart

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