Carrier route record
OOSGF→ORD
SkyWest Airlines · Springfield to Chicago
- Flights
- 347
- Period
- July 2025 to June 2026
- Share of route
- 24%
- Carriers
- 2
Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with SkyWest Airlines.
SkyWest on SGF to ORD earns a D−, which is as low as this site's scale goes for a reason. Only 56.8% of flights arrive inside the 15-minute window, 21 points worse than the national rate of 77.6%. Late arrivals average an hour and a half. Treat any tight connection here as a coin flip. That rests on 347 flights, with a median arrival 10 minutes late.
The national on-time rate over the same period is 77.6%, so SkyWest on SGF to ORD runs 21 points behind the country as a whole. Across a thousand flights that is about 208 extra late arrivals.
Key figures
On time
56.8%
Arrivals under 15 minutes late, of 329 completed flights
Avg delay
86 min
Across delayed arrivals only, not all flights
Cancelled
4.90%
National rate is 1.81%
Whole route
70.8%
Every carrier on SGF to ORD, 1,437 flights
These figures cover 347 flights between July 2025 and June 2026. Beyond the headline rate, 21.0% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.
Carrier by carrier
SkyWest against every carrier on SGF to ORD
SkyWest flew 347 of the 1,437 flights on SGF to ORD, about 24% of it. Its 56.8% on time is 14 points worse than the route as a whole, which runs 70.8%. Ranked by on-time rate it is last of two carriers on the route, where the range runs from Envoy at 75.1% to SkyWest at 56.8%.
Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Envoy Air | 1,090 | 75.1% | 76 min | 2.02% | B |
| SkyWest Airlines (this page)thin sample | 347 | 56.8% | 86 min | 4.90% | D− |
Departure window
When SkyWest runs best on this route
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 13 points, against half a point between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am—
- 8am–11am6 flights—
- 11am–2pm101 flights62.0%
- 2pm–5pm102 flights60.0%
- 5pm–8pm138 flights49.2%
- 8pm–5am—
Scale runs 40% to 65%. Rows with fewer than 30 flights show a dash.
The 5pm–8pm window is where this operation falls apart: 49.2% on time, against 62.0% for the 11am–2pm slot. By evening the aircraft flying these rotations have absorbed a full day of small delays and there is no slack left to recover in. The 5pm–8pm window is the busiest, with 138 flights scheduled in it.
Across the year
SkyWest on SGF to ORD through the year
- Jul–Sep 2025131 flights66.9%
- Oct–Dec 2025149 flights49.3%
- Jan–Mar 202612 flights—
- Apr–Jun 202655 flights51.0%
Scale runs 40% to 70%. Rows with fewer than 30 flights show a dash.
Monthly volumes are too low here to break the year into twelve reliable readings. What the twelve-month total says is 56.8% on time across 347 flights.
SkyWest on SGF to ORD did not run the same all year. Its best quarter was Jul–Sep 2025 at 66.9% on time and its weakest Oct–Dec 2025 at 49.3%, a swing of 18 points on roughly 116 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.
Across the week, Tuesday is the strongest day at 69.0% on time and Sunday the weakest at 36.5%. 33 points is a smaller lever than departure hour, but it is free.
Delay causes
Why SkyWest runs late on this route
Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 12,000 reported delay minutes.
- 29%National Airspace System
- 28%Carrier
- 26%Late-arriving aircraft
- 17%Extreme weather
- 1%Security
Extreme weather accounts for 17% of delay minutes, well above the single-digit share typical across the system. Weather delays are lumpy: they arrive as whole bad days rather than as a steady drag, so the monthly strip above is the more useful view of the risk. The national share is 6%, so this operation carries roughly 2.7 times the usual weather exposure. The split is drawn from 12,230 reported delay minutes.
Cancellations run at 4.90%, against 1.81% nationally. That is about one flight in twenty cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.
Connections and stage length
What a delay here costs
For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 21.0% of arrivals land a full hour or more behind schedule, against 8.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.
At 438 miles this is a short hop, and stage length matters more than it looks. A flight this short spends under two hours in the air, which leaves almost nothing to claw back a late pushback with. Delay here is decided on the ground, in the turn, which is why the 11am–2pm window matters as much as it does.
The return leg is a different operation and performs like one: it runs 68.1% on time across 346 flights, 11 points above this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 11 points of difference.
One caution: this is a thin sample. 347 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking SkyWest on SGF to ORD
Put together: the delay figures matter less here than the 4.90% cancellation rate. A late arrival costs you an hour and a half; a cancelled flight costs you the day. Book the 11am–2pm departure so there is still a schedule behind you if it goes wrong, and treat a same-day connection as optimistic. 329 completed flights over 12 months sit behind that.
Related
Where to go next
Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.