Best Time to Fly TUL to MDW: On-Time Stats by Hour & Airline
Tulsa International → Chicago Midway International
Data through July 2026 · Last updated October 18, 2026
451 flights were scheduled from Tulsa (TUL) to Chicago (MDW) in the last 12 months, and 85.0% of those that flew arrived on time, 7.4 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
October has been the best month (99% on time) and Friday the weakest day of the week (78%).
0.9% of flights were cancelled, versus 1.8% nationally.
TUL to MDW on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 85.0% | 74 min | 0.9% | 451 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly TUL to MDW
On-time arrival % by scheduled departure hour (local time), 817 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.2% | 0.0% | 165 |
| 6am–7am | 84.6% | 2.5% | 40 |
| 7am–8am | 91.2% | 0.0% | 34 |
| 8am–9am | Limited data | 1 | |
| 9am–10am | 96.7% | 0.0% | 61 |
| 10am–11am | Limited data | 26 | |
| 11am–12pm | Limited data | 11 | |
| 12pm–1pm | 83.9% | 0.0% | 56 |
| 1pm–2pm | 80.0% | 0.0% | 35 |
| 2pm–3pm | 90.1% | 0.0% | 72 |
| 3pm–4pm | 76.4% | 0.5% | 217 |
| 4pm–5pm | 68.8% | 1.5% | 67 |
| 5pm–6pm | 83.9% | 3.1% | 32 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on TUL to MDW
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 13 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 76.7% | -9.6 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 82.5% | -3.8 pts | 1.0% | 208 |
| All other days | 86.3% | — | 0.2% | 566 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).