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Route · TUS → MDW · 2020–2025 BTS data

Tucson to Chicago

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), TUS to MDW (Tucson to Chicago) ranks #4485 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

94.8%
On-time
+15.8 pts
vs US avg
65 min
Delay when late
1,028
Flights
#4485 of 4927
Corpus placement

Cancelled

1.1%

Best Month

N/A

Worst Month

N/A

Distance

1,440 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 31 3 0 0 WN
Nov 2025 30 2 1 0 WN
Jul 2025 31 1 0 1 WN
Jun 2025 30 0 0 0 WN
May 2025 31 1 0 0 WN
Apr 2025 31 1 0 0 WN
Mar 2025 36 1 0 1 WN
Feb 2025 30 2 0 0 WN
Jan 2025 31 0 0 0 WN
Dec 2024 31 2 1 0 WN
Nov 2024 30 1 0 1 WN
Jul 2024 31 4 0 0 WN
Jun 2024 30 4 0 0 WN
May 2024 31 0 0 0 WN
Apr 2024 31 4 0 0 WN
Mar 2024 31 1 0 0 WN
Mar 2022 34 2 0 0 WN
Jan 2022 31 3 3 0 WN
Dec 2021 31 2 1 1 WN
Nov 2021 30 4 0 0 WN
Oct 2021 31 4 2 0 WN
Sep 2021 30 3 0 0 WN
Aug 2021 31 0 0 1 WN
Jul 2021 31 1 0 0 WN

TUS–MDW seasonal on-time pattern

Best: May (99.2%) · weakest: October (87.1%)

85%90%95%100% JanFebMarAprMayJunJulAugSepOctNovDec 92.5%

Strongest calendar month

May

99.2% on-time · ~31 flights/mo

Busiest calendar month

March

~34 flights/mo avg

Weakest calendar month

October

87.1% on-time · ~31 flights/mo

Cancellation Rate

1.1%

8 of 745 flights

Diversion Rate

0.7%

5 of 745 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

TUS - Tucson

Full on-time, delay-cause, and seasonal performance for Tucson, AZ.

TUS on-time profile

MDW - Chicago

Full on-time, delay-cause, and seasonal performance for Chicago, IL.

MDW on-time profile

Compare the two airports

See TUS and MDW side by side on delays, cancellations, and reliability.

Compare TUS vs MDW

Origin-hub reliability standing

Among TUS's stronger departures

TUS → MDW posts a 94.8% on-time rate, landing in the ≥85% band with 8 of 15 BTS-tracked routes leaving Tucson. The same hub also shows 7 mid-band and 0 challenged departures · fleet-wide on-time rank #2 of 4927 (highest on-time = #1).

What the Data Says About TUS to MDW

Tucson to Chicago (TUS to MDW) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 94.8% on-time rate across 1,028 flights, with delays that do happen averaging 65.0 minutes. The corridor runs roughly 1,440 miles and is served by 1 carrier. Over the most recent 24 months, 8 of 745 flights were cancelled (1.1%) and 5 diverted (0.7%).

Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.

On the multi-year calendar, TUS–MDW peaks in May at 99.2% on-time while March carries the heaviest traffic (~34 flights per month) ; the softest month is October at 87.1%, a 12.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does TUS to MDW rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, TUS to MDW ranks #4485 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from TUS to MDW? ▼
Flights from Tucson to Chicago have a 94.8% on-time rate based on 1,028 flights. The average delay is 65.0 minutes.
What is the cancellation rate for TUS to MDW? ▼
Over the last 24 months, 1.1% of flights on this route were cancelled (8 of 745 flights) and 0.7% were diverted.
How far is the flight from TUS to MDW? ▼
The flight distance from Tucson (TUS) to Chicago (MDW) is approximately 1,440 miles. This route is served by 1 carrier.

Airports on this route

TUS Airport

Tucson
MDW Airport

Chicago
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using TUS–MDW data

TUS–MDW runs 15.8 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare TUS and MDW airport profiles: delay causes and top routes differ even on the same corridor. TUS airport
  • If your dates flex, May (99.2% on-time) beats October (87.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 94.8% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.