Route
MEM → ORD
Frederick W. Smith International Airport Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 74.8%
- Less than 15 minutes late
- Cancelled
- 3.8%
- Of scheduled flights
- Average delay when late
- 86 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,529
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 38%
- Air traffic control & airport 30%
- Airline (crew, maintenance, cleaning) 26%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 85.0% | 187 |
| October 2025 | 83.0% | 201 |
| November 2025 | 70.2% | 204 |
| December 2025 | 71.4% | 202 |
| January 2026 | 64.5% | 185 |
| February 2026 | 82.6% | 185 |
| March 2026 | 76.8% | 196 |
| April 2026 | 75.9% | 239 |
| May 2026 | 81.2% | 204 |
| June 2026 | 69.6% | 241 |
| July 2026 | 73.9% | 244 |
| August 2026 | 65.7% | 241 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| SkyWest Airlines | 866 | 70.6% | 3.0% | 93 min |
| Envoy Air | 798 | 76.2% | 3.4% | 83 min |
| Republic Airways | 524 | 74.9% | 5.5% | 67 min |
| United Airlines | 338 | 83.0% | 4.1% | 102 min |
| American Airlines | 3 | 33.3% | 0.0% | 60 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
OO5672
18% late · 355 flights
-
OO5780
32% late · 279 flights
-
UA247
15% late · 176 flights
-
MQ3926
34% late · 110 flights
-
YX4373
27% late · 106 flights
-
UA1126
17% late · 104 flights
-
MQ3946
36% late · 83 flights
-
OO5336
67% late · 82 flights
-
MQ3758
13% late · 80 flights
-
MQ3683
13% late · 71 flights
-
YX4457
45% late · 71 flights
-
MQ3675
36% late · 62 flights
-
YX4467
10% late · 44 flights
-
MQ3959
26% late · 42 flights
-
YX4406
21% late · 42 flights
-
MQ4279
7% late · 41 flights
-
MQ3747
22% late · 39 flights
-
OO5589
45% late · 37 flights
-
YX4435
34% late · 36 flights
-
MQ4063
46% late · 34 flights
-
MQ3706
12% late · 33 flights
-
YX4651
22% late · 32 flights
-
MQ3580
13% late · 30 flights
-
MQ3679
17% late · 30 flights
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