FlightRecord

Tulsa (TUL) to Chicago (ORD): On-Time Performance

Data through May 2026

Tulsa (TUL) to Chicago (ORD) effectively runs on two schedules. In October 2024, 90% of arrivals were on time; in July 2025 that fell to 61% — a 29-point seasonal swing. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 70%), which matters most in the rough months.

On-time
79%
arrived <15 min late
Avg delay
18 min
completed flights
Cancelled
1.6%
Flights/day
5.8
last 12 months
Duration
2h 4m
scheduled
Distance
585 mi

Best airline from TUL to ORD

4 airlines flew this route regularly between 2024-06 and 2026-05.

AirlineOn-timeAvg delayCancelledFlights
Republic Airwaysmost reliable82%14 min2.3%431
SkyWest Airlines81%19 min0.9%1,718
Envoy Air79%14 min1.9%1,397
PSA Airlines58%52 min3.9%179

Monthly on-time trend

Monthly on-time percentage for TUL to ORD flights50%75%100%June 2024: 80% on-time (168 flights)80Jun 2024July 2024: 79% on-time (145 flights)79August 2024: 84% on-time (142 flights)84September 2024: 90% on-time (138 flights)90Sep 2024October 2024: 90% on-time (130 flights)90November 2024: 86% on-time (104 flights)86December 2024: 89% on-time (128 flights)89Dec 2024January 2025: 88% on-time (121 flights)88February 2025: 75% on-time (116 flights)75March 2025: 82% on-time (148 flights)82Mar 2025April 2025: 90% on-time (150 flights)90May 2025: 80% on-time (132 flights)80June 2025: 70% on-time (158 flights)70Jun 2025July 2025: 61% on-time (211 flights)61August 2025: 74% on-time (173 flights)74September 2025: 83% on-time (162 flights)83Sep 2025October 2025: 74% on-time (171 flights)74November 2025: 78% on-time (196 flights)78December 2025: 71% on-time (189 flights)71Dec 2025January 2026: 80% on-time (148 flights)80February 2026: 89% on-time (144 flights)89March 2026: 78% on-time (184 flights)78Mar 2026April 2026: 77% on-time (184 flights)77May 2026: 77% on-time (196 flights)77

Best time to fly from TUL to ORD

Aim for departures around 5 a.m. (91% on-time); avoid 4 p.m. departures (57%).

On-time percentage by scheduled departure hour, TUL to ORD5 a.m.: 91% on-time (323 flights)56 a.m.: 79% on-time (106 flights)67 a.m.: 82% on-time (587 flights)78 a.m.: 80% on-time (150 flights)89 a.m.: 83% on-time (243 flights)910 a.m.: 81% on-time (380 flights)1012 p.m.: 73% on-time (376 flights)121 p.m.: 85% on-time (87 flights)132 p.m.: 82% on-time (656 flights)143 p.m.: 84% on-time (103 flights)154 p.m.: 57% on-time (31 flights)165 p.m.: 69% on-time (304 flights)176 p.m.: 60% on-time (142 flights)187 p.m.: 76% on-time (242 flights)19scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday78%19 min
Tuesday82%16 min
Wednesdaybest82%13 min
Thursday80%17 min
Friday78%21 min
Saturday79%21 min
Sunday78%22 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft38%
  • Airline operations26%
  • National airspace system24%
  • Weather12%

Frequently asked questions

How often are flights from TUL to ORD delayed?
21% of TUL–ORD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 18 minutes.
Which airline is most reliable from TUL to ORD?
Republic Airways has the best on-time record on this route at 82%, based on 431 flights. 4 airlines flew TUL–ORD frequently enough to compare in this period.
What is the best time of day to fly from TUL to ORD?
Departures around 5 a.m. have the best record (91% on-time), while departures around 4 p.m. have the worst (57%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from TUL to ORD?
The scheduled TUL–ORD flight time averages 2h 4m over 585 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
How often are TUL to ORD flights cancelled?
1.6% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
What is the worst month to fly from TUL to ORD?
July 2025 was the roughest month in this dataset, with only 61% of arrivals on time. The best was October 2024 at 90%. If your dates are flexible, that 29-point gap is worth planning around.

Based on 3,738 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.