Table 4.
Side-by-side comparison of four shipments by different couriers
| Tripa | Data collected | Courier | ||
|---|---|---|---|---|
| FedEx | UPS | USPS | ||
| A | Trip duration (hours:minutes) | 46:23 | 46:34 | 23:05b |
| B | 93:40 | 89:42 | 96:43 | |
| C | 20:20 | 15:21 | 19:32 | |
| D | 50:06 | 51:42 | 47:06 | |
| A | Maximum ambient temperature (°C) | 35.6 | 37.2 | 40.6 |
| B | 36.7 | 36.7 | 36.7 | |
| C | 26.0 | 25.0 | 26.0 | |
| D | 26.0 | 26.7 | 26.0 | |
| A | Maximum package temperature (°C) | 38.8 | 47.9 | 29.7 |
| B | 40.8 | 42.5 | 30.6 | |
| C | 27.9 | 27.8 | 24.6 | |
| D | 32.4 | 27.8 | 26.5 | |
aTrip A, 2-day shipment to Phoenix, AZ from Belgrade, MT; Trip B, Friday for Tuesday to Belgrade, MT from Phoenix, AZ; Trip C, Overnight shipment to Tampa, FL from Belgrade, MT; Trip D, 2-day shipment to Belgrade, MT from Tampa, FL
bThe USPS shipment to Phoenix, AZ from Belgrade, MT arrived a day ahead of schedule